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Concept in economics
there occur various problems that are inherent in the formulations that use aggregated variables. The aggregation problem is the problem of finding a valid
Aggregation_problem
Topics referred to by the same term
Look up aggregation in Wiktionary, the free dictionary. Aggregation may refer to: Aggregation problem (economics) Purchasing aggregation, the joining of
Aggregation
Economic dispute
mathematical, while some major elements can be explained as part of the aggregation problem. The critique of neoclassical capital theory might be summed up as
Cambridge_capital_controversy
Method used to measure productivity
that it is measured by capital services, not by the capital stock. The problem of aggregating or combining the output and inputs is purely measurement
Productivity_model
Economic concept proposed by Erik Lindahl
individuals are affected by the public good, like the example below, aggregation can be relatively simple. However, in the case of national defense in
Lindahl_tax
Source of statistical bias
areal unit problem". Geographical Systems. 3 (2–3): 159–180. Holt, David; Steel, David; Tranmer, Mark; Wrigley, Neil (July 1996). "Aggregation and ecological
Modifiable_areal_unit_problem
Total demand for final goods and services in an economy at a given time
recessions are caused by micro-economic factors. Aggregate supply Aggregation problem Disequilibrium Economic surplus Effective demand Excess demand Excess
Aggregate_demand
Type of function in database management
In database management, an aggregate function or aggregation function is a function where multiple values are processed together to form a single summary
Aggregate_function
Standard for cryptographic certificates
revocation status, Revocation of root certificates is not addressed, Aggregation problem: Identity claims (authenticate with an identifier), attribute claims
X.509
Part of risk management
Risk aggregation is, in the context of risk management of companies or projects, the aggregation of all risks with the aim of determining the overall
Risk_aggregation
Using multiple network connections in parallel to increase capacity and reliability
networking, link aggregation is the combining (aggregating) of multiple network connections in parallel by any of several methods. Link aggregation increases
Link_aggregation
Accumulation of clumps of misfolded or disordered proteins
In molecular biology, protein aggregation is a phenomenon in which intrinsically-disordered or misfolded proteins aggregate (clump together) and accumulate
Protein_aggregation
Clustering of traits within a family
Family aggregation, also known as familial aggregation, is the clustering of certain traits, behaviours, or disorders within a given family. Family aggregation
Family_aggregation
The total supply of goods and services in an economy. aggregation problem The difficult problem of finding a valid way to treat an empirical or theoretical
Glossary_of_economics
Economic demand that exceeds supply
resistance available at the time. Aggregate demand Aggregate supply Aggregation problem Allocative efficiency Dependency ratio Eastern Bloc economies Disequilibrium
Shortage
American economist
econometric modeling of consumption and production, and the study of the aggregation problem and the challenges of measurement in economics. Barnett received
William_A._Barnett
Compiling of information from databases
Data aggregation is the compiling of information from databases with intent to prepare combined datasets for data processing. The United States Geological
Data_aggregation
Area of discrete mathematics
Brownian tree, a fractal tree structure created by diffusion-limited aggregation processes Random binary tree is a binary tree selected at random from
Graph_theory
Alternative energy supply system
Community Choice Aggregation (CCA), also known as Community Choice Energy, municipal aggregation, governmental aggregation, electricity aggregation, and community
Community_Choice_Aggregation
Simulated environment
of Proven Parallel Programming Algorithmic Design to the Aggregation/De-aggregation Problem NATO article Using the Multinational Experiment 4 (MNE4) Modeling
Synthetic Environment for Analysis and Simulations
Synthetic_Environment_for_Analysis_and_Simulations
estimates should be the same. MNI also suffers from the aggregation problem, in which different aggregations will generate at least two values, an MNI minimum
Number of Identified Specimens
Number_of_Identified_Specimens
Decision rules for participatory budgeting
Budget-proposal aggregation (BPA) is a problem in social choice theory. A group has to decide on how to distribute its budget among several issues. Each
Budget-proposal_aggregation
Economic supply that exceeds demand
that supply is not undermined. Aggregate demand Aggregate supply Aggregation problem Disequilibrium Economic surplus Effective demand Excess demand Excess
Excess_supply
Belief aggregation, also called risk aggregation, opinion aggregation or probabilistic opinion pooling, is a process in which different probability distributions
Belief_aggregation
Fundamental principle in microeconomics
interactions. Business and economics portal Revealed preference Aggregation problem Representative agent Methodological individualism Demand (economics)
Law_of_demand
Rank aggregation is a fundamental task in social choice theory. Given a collection of different rankings (total orders) over the same set of objects,
Rank_aggregation
Aggregation of Internet Protocol networks
or supernet, is an Internet Protocol (IP) network that is formed by aggregation of multiple networks (or subnets) into a larger network. The new routing
Supernetwork
Wealth measured by monetary value
stocks and bonds. A related technical issue in economics is the aggregation problem, as debated in the Cambridge capital controversy – to what extent
Paper_wealth
Normalized average of price changes for goods and services
characteristics (physical, geographic, economic, etc.) to M and N. Aggregation problem Inflation Chemical plant cost indexes GDP deflator Etienne Laspeyres
Price_index
Value in economics and accounting
be adjusted by repricing the goods at common or average prices. Aggregation problem Classical dichotomy Constant Item Purchasing Power Accounting Cost-of-living
Real_and_nominal_value
averaging (OWA) operators provide a parameterized class of mean type aggregation operators. They were introduced by Ronald R. Yager. Many notable mean
Ordered_weighted_averaging
Method in machine learning
parallel, as each separate bootstrap can be processed on its own before aggregation. Disadvantages: For a weak learner with high bias, bagging will also
Bootstrap_aggregating
Email and calendaring software
contact managing, note-taking, journal logging, web browsing, and RSS news aggregation. Individuals can use Outlook as a stand-alone application; organizations
Microsoft_Outlook
British economist (1904–1989)
through demand and supply across the economy. It anticipated the aggregation problem, most acutely for the stock of capital goods. It introduced general
John_Hicks
Economic theorem
consumers are downward-sloping. This is an instance of the more general aggregation problem, which deals with the theoretical difficulty of modeling the behavior
Sonnenschein–Mantel–Debreu theorem
Sonnenschein–Mantel–Debreu_theorem
Publication of private details
the victim. Historically, the term has been used to refer to both the aggregation of this information from public databases and social media websites (like
Doxing
Component of blood aiding in coagulation
activation. Third, they connect to each other through receptor bridges: aggregation. Formation of this platelet plug (primary hemostasis) is associated with
Platelet
Processing mode
are solved on demand. The problem of deciding which aggregations (views) to calculate is known as the view selection problem. View selection can be constrained
Online_analytical_processing
Macroeconomic method
representative agent which assumes away the aSonnenschein-Mantel-Debreu aggregation problem (see SMD ) that prevents many-agent clearing from being derivable
Dynamic stochastic general equilibrium
Dynamic_stochastic_general_equilibrium
Function that ranks states of society according to their desirability
then η {\displaystyle \eta } in the above family must be at most 1. Aggregation problem Arrow's impossibility theorem Community indifference curve Distribution
Social_welfare_function
1939 book by John Richard Hicks
Capital for clarifying an aspect of what became known as the aggregation problem. The problem is most acute in measuring the capital stock by its market
Value_and_Capital
Solving multiple machine learning tasks at the same time
single unified gradient, leading to several different aggregation strategies. This aggregation problem can be solved by defining a game matrix where the reward
Multi-task_learning
Listed in The New Palgrave Dictionary of Economics as Aggregation (Econometrics). Aggregation problem Aggregate Demand Hommes, Cars; Lux, Thomas (March 2013)
Aggregate_behavior
Single-winner ranked-choice electoral system
under the first-past-the-post system. Nurmi, Hannu (June 2005). "Aggregation problems in policy evaluation: an overview". European Journal of Political
Instant-runoff_voting
through demand and supply across the economy. It anticipated the aggregation problem, most acutely for the stock of capital goods. It introduced general
List of publications in economics
List_of_publications_in_economics
Method of result aggregation from multiple clustering algorithms
from multiple clustering algorithms. Also called cluster ensembles or aggregation of clustering (or partitions), it refers to the situation in which a
Consensus_clustering
United Nations index for gender inequality
strategy using multiple correspondence analysis (MCA) in order to avoid aggregation problems. There are five steps to computing the gender inequality Index. Step
Gender_Inequality_Index
Accounting system used by a nation
continues from its beginnings through today. Accounting identity Aggregation problem European System of Accounts Measures of national income and output
National_accounts
Economic concept
effective supply" as the economy recovered in 2013. Aggregate demand Aggregation problem Disequilibrium Economic surplus Effective demand Excess demand Excess
Aggregate_supply
Another example is temporal aggregation, when the same problem is reported over and over again by the event source, until the problem is finally solved. Event
Event_correlation
Hypothetical invisible cosmic material
Unsolved problem in physics What is dark matter? How was it generated? More unsolved problems in physics In astronomy and cosmology, dark matter is an
Dark_matter
Cross-platform document-oriented database
perform aggregation: the aggregation pipeline (preferred), the map-reduce function (deprecated as of MongoDB 5.0) and single-purpose aggregation methods
MongoDB
Demand in a constrained marketplace
model of spillover effects upon effective demand. Aggregate supply Aggregation problem Economic surplus Excess demand function Induced demand Principle
Effective_demand
British economist
W.S. (1995), "Valued opinions or opinionated values: the double aggregation problem", in Basu, Kaushik; Suzumura, Kotaro; Pattanaik, Prasanta (eds.)
Kevin_W._S._Roberts
Part of the national accounts of the United States
prior stages of analysis, as appears to have happened in this case. Aggregation problem Classification of Individual Consumption by Purpose Macroeconomics
National Income and Product Accounts
National_Income_and_Product_Accounts
Collective perception of a group of people
points. Models of these problems either break the problem into common pieces (the local decomposition method of aggregation) or find solutions that are
Wisdom_of_the_crowd
Important notions are concept, generalization, association, multiplicity and aggregation. First of all, a concept is a simple version of a Unified Modeling Language
Metadata_modeling
Plastic bag used to carry human feces
toilets. WAG is an acronym that stands for Waste Alleviating Gel or Waste Aggregation and Gelling. Bags have a gel to immobilize liquid waste and surround
WAG_bag
micro-founded. Agent (economics) Homo economicus Aggregate demand Aggregation problem Methodological individualism Jackson, Matthew O. and Yariv, Leeat
Representative_agent
Overview of finance and finance-related topics
Agent-based model – Type of computational models Representative agent Aggregation problem – Concept in economics Heterogeneity in economics Heterogeneous agent
Outline_of_finance
American review aggregation website
two Webby Awards for excellence as an aggregation website. It is regarded as the foremost online review aggregation site for the video game industry. Criticism
Metacritic
Client software that aggregates syndicated web content
broadcatch torrents of distributed multimedia through the aggregation of web feeds. One of the problems with news aggregators is that the volume of articles
News_aggregator
the sum of import. On overall economy examination (macroeconomics, aggregation problem) the benefit which individual economies want to achieve for themselves
Paradox_of_competition
Academic discipline concerned with the exchange of money
heterogeneity into the environment (thereby addressing, also, the aggregation problem). More recent research focuses on the potential impact of machine
Financial_economics
Issue resulting in miscalculation of leap years
Those that lead to incorrect data, such as off-by-one problems in range queries or aggregation The following Python code is an example of a Category 1
Leap_year_problem
Basic unit of taxonomic classification, below genus
concept is present. A phylogenetic or cladistic species is "the smallest aggregation of populations (sexual) or lineages (asexual) diagnosable by a unique
Species
Metadata tag prefixed with #
strongest predictor of whether or not a statement is sarcastic—a difficult AI problem. Hashtags play an important role for employees and students in professional
Hashtag
Group of spatially dispersed and dedicated sensors
sensor observations inspires techniques for in-network data aggregation and mining. Aggregation reduces the amount of network traffic which helps to reduce
Wireless_sensor_network
International standard system
alternative constructions of national accounts". Accounting identity Aggregation problem Artificial Intelligence for Environment & Sustainability Balance
System_of_National_Accounts
of multi-agent systems. It consists of the analysis of problems arising from the aggregation of preferences of a group of agents from a computational
Computational_social_choice
Inflammatory aggregation of immune cells
A granuloma (pl. granulomata) is an aggregation of macrophages (along with other cells) that forms in response to chronic inflammation. This occurs when
Granuloma
Approximation method in statistics
observations as being the best estimate of the true value; errors decrease with aggregation rather than increase, first appeared in Isaac Newton's work in 1671,
Least_squares
Compact astronomical body
growth of supermassive black holes, which could have formed from the aggregation of many smaller objects. The process has also been proposed as the origin
Black_hole
Matriarch of the Trapp Family Singers (1905–1987)
and appealing about the modest, serious singers of this little family aggregation as they formed a close semicircle about their self-effacing director
Maria_von_Trapp
American academic and Nobel Laureate (1916–2001)
near-decomposability and aggregation. Having begun to apply these theorems to organizations, by 1954 Simon determined that the best way to study problem-solving was
Herbert_A._Simon
Decentralized machine learning
nodes selection at the beginning of the training process and for the aggregation of the received model updates. Since all the selected nodes have to send
Federated_learning
Intelligence of machines
typically associated with human intelligence, such as learning, reasoning, problem-solving, perception, and decision-making. It is a field of research in
Artificial_intelligence
Group of genetic connective tissues disorders
Insensitivity to local anesthetics Dental problems including gum disease and enamel hypoplasia Platelet aggregation failure (platelets do not clump together
Ehlers–Danlos_syndrome
2026 film by Andrew Stanton
with some critics arguing the franchise "felt exhausted". On review aggregation website Rotten Tomatoes, Toy Story 5 has an approval rating of 92% based
Toy_Story_5
Family of web feed formats
Microsoft for use in Internet Explorer 7. The most serious compatibility problem is with HTML markup. Userland's RSS reader—generally considered as the
RSS
Graphical interface from multiple sources
editors therefore solve this problem by providing enablers or connectors. Mashups and portals are both content aggregation technologies. Portals are an
Mashup (web application hybrid)
Mashup_(web_application_hybrid)
Group intelligence that emerges from collective efforts
to solve problems, make decisions, or generate knowledge more effectively than individuals alone, through either cooperation or by aggregation of diverse
Collective_intelligence
Neurodegenerative disease caused by head injury
head. The encephalopathy symptoms can include behavioral problems, mood problems, and problems with thinking. The disease often gets worse over time and
Chronic traumatic encephalopathy
Chronic_traumatic_encephalopathy
Statistical method that summarizes and/or integrates data from multiple sources
Secondary research Study heterogeneity Systematic review Galbraith plot Data aggregation This article incorporates text by Daniel S. Quintana available under
Meta-analysis
inspiration from nature (e.g. collective problem solving mechanisms seen in nature such as honey bee aggregation). The main goal is to control a large number
Swarm_robotic_platforms
Species of true bug
coast of the Mediterranean Sea. They are frequently observed to form aggregations, especially as immature forms, containing from tens to perhaps a hundred
Pyrrhocoris_apterus
American writer and actress (born 1986)
mixed to negative response from critics upon its premiere. On the review aggregation website Rotten Tomatoes, the first season holds a 28% approval rating
Lena_Dunham
Place where stocks are traded
A stock market, equity market, or share market is the aggregation of buyers and sellers of stocks (also called as shares), which represent ownership claims
Stock_market
Problem in computer science
science, the count-distinct problem (also known in applied mathematics as the cardinality estimation problem) is the problem of finding the number of distinct
Count-distinct_problem
Concept in patent law
applying the problem-solution approach, the objective technical problem is sometimes regarded as an aggregation of a plurality of "partial problems". "This
Inventive step under the European Patent Convention
Inventive_step_under_the_European_Patent_Convention
American dark comedy drama television series
five seasons of Hacks have received critical acclaim. On the review aggregation website Rotten Tomatoes, the overall series holds a 98% rating. Meanwhile
Hacks
Species of woodlouse
still in hopes that a predator in search of live prey loses interest. Aggregation (clustering of multiple conspecifics) is often used during warmer weather
Armadillidium_vulgare
DC Studios film
was projected to lose the studio over $85–125 million. On the review aggregation website Rotten Tomatoes, 55% of 327 critics' reviews are positive, with
Supergirl_(2026_film)
Form of electronic commerce
and must usually take place during business hours. Delivery was always a problem which affected the convenience of online shopping. Additionally, the online
Online_shopping
House elections for the 120th U.S. Congress
Montana U.S. Rep. Ryan Zinke said he won't seek reelection citing health problems". Montana Free Press. Gorman, Reese; Roarty, Alex (June 27, 2025). "Republican
2026 United States House of Representatives elections
2026_United_States_House_of_Representatives_elections
Everett, Burgess (February 4, 2026). "Republicans fear a Texas Senate problem — and hope Trump agrees". Semafor. Retrieved February 5, 2026. Doud, Justin
2026 United States Senate election in Texas
2026_United_States_Senate_election_in_Texas
Measures the relative position of nations' and regions' peacefulness
weights and aggregation method. IEP has indicated that constructing alternative versions of the GPI using geometric rather than linear aggregation—and comparing
Global_Peace_Index
RIVALS; In Miami, He Also Attacks Nixon -- Says Washington Ignores Cities' Problems Lindsay, in Race, Attacks Nixon And Rivals in Democratic Party" – via TimesMachine
1972 United States presidential election
1972_United_States_presidential_election
Progressive neurodegenerative disease
proliferate in the brain by the prion-like mechanism of seeded protein aggregation. The presence of these abnormal proteins in Alzheimer's disease has spawned
Alzheimer's_disease
21, 2025. Jain, Lakshya (October 27, 2025). "The immigration problem is a crime problem". The Argument. Retrieved October 28, 2025. "The Economist/YouGov
2026_United_States_elections
AGGREGATION PROBLEM
AGGREGATION PROBLEM
Boy/Male
Indian, Tamil
People with this Name are Preferably Intelligent and Very Generous; Highly Knowledgeable in Problem Solving Skills
Girl/Female
Muslim/Islamic
Away from all Problems
Boy/Male
Muslim
Problem solver
Boy/Male
Arabic, Indian, Muslim
Problem Solver
Girl/Female
Indian, Telugu
Destroyer of Problems
Girl/Female
Bengali, Indian
Eternity; Problem Solver
Boy/Male
Hindu, Indian
Problem
AGGREGATION PROBLEM
AGGREGATION PROBLEM
Surname or Lastname
English (Devon and Cornwall)
English (Devon and Cornwall) : unexplained.
Boy/Male
Hindu
Another name of Agni, Inspirational, Strong
Surname or Lastname
English and Scottish
English and Scottish : variant of Dickens.
Girl/Female
Arabic, Muslim
The 35th Surah of the Quran; Angels
Girl/Female
Celtic
Legendsry tale.
Boy/Male
Gujarati, Hindu, Indian, Malayalam, Marathi, Sanskrit, Telugu
Flute
Girl/Female
Hindu
Name of a river (NWife of the Lord of the sea)
Female
French
French form of Hebrew Salome, SALOMÉ means "peaceful."
Surname or Lastname
English
English : reduced form of Calverley.
Boy/Male
Japanese
Praise; admirable.
AGGREGATION PROBLEM
AGGREGATION PROBLEM
AGGREGATION PROBLEM
AGGREGATION PROBLEM
AGGREGATION PROBLEM
a.
Of or pertaining to the character of a rock, as derived from the nature and mode of aggregation of its mineral contents.
n.
The act of aggravating, or making worse; -- used of evils, natural or moral; the act of increasing in severity or heinousness; something additional to a crime or wrong and enhancing its guilt or injurious consequences.
n.
Increase of violence or malignity; aggravation; exacerbation.
n. sing & pl.
A collection of particles or bodies into one mass; a heap; an aggregation.
a.
Gregarious; social.
n.
The act of segregating, or the state of being segregated; separation from others; a parting.
v. t.
To destroy the aggregation of; to separate into component parts, as an aggregate mass.
n.
Provocation; irritation.
n.
The act of aggregating, or the state of being aggregated; collection into a mass or sum; a collection of particulars; an aggregate.
n.
Exaggerated representation.
n.
A theoretical aggregation of molecules constituting a structural particle of protoplasm, capable of increase or diminution without change in chemical nature.
p. pr. & vb. n.
of Aggregate
n.
Separation from a mass, and gathering about centers or into cavities at hand through cohesive attraction or the crystallizing process.
n.
One who aggregates.
n.
An extrinsic circumstance or accident which increases the guilt of a crime or the misery of a calamity.
a.
Taken together; collective.
v. t.
To amount in the aggregate to; as, ten loads, aggregating five hundred bushels.
n.
A mass or aggregation of things.
a.
Pertaining to, or formed by, concretion or aggregation; producing or containing concretions.
n.
A heaping up; accumulation; as, aggerations of sand.