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The model is limited in that it only considers the effect of the merger on price charged by the firm(s). However, in most real life situations, firms compete on many other aspects other than price, for example product quality, capacity, research and development, and product differentiation. These variables are also likely to be affected by a ...
An economic model is a theoretical construct representing economic processes by a set of variables and a set of logical and/or quantitative relationships between them. The economic model is a simplified, often mathematical, framework designed to illustrate complex processes. Frequently, economic models posit structural parameters. [1]
For example, in public finance the Robinson Crusoe economy is used to study the various types of public goods and certain aspects of collective benefits. [2] It is used in growth economics to develop growth models for underdeveloped or developing countries to embark upon a steady growth path using techniques of savings and investment.
Real-world economics is a school of economics that uses an inductive method to understand economic processes. It approaches economics without making a priori assumptions about how ideal markets work, in contrast to what Nobel Prize-winning economist, Ronald Coase , referred to as "blackboard economics" and its deductive method .
The circular flow of income is a concept for better understanding of the economy as a whole and for example the National Income and Product Accounts (NIPAs). In its most basic form it considers a simple economy consisting solely of businesses and individuals, and can be represented in a so-called "circular flow diagram."
Product differentiation. If products of different firms are differentiated, then consumers may not switch completely to the product with lower price. Dynamic competition. Repeated interaction or repeated price competition can lead to the price above MC in equilibrium. [7] More money for higher price. It follows from repeated interaction: If one ...
Real business-cycle theory (RBC theory) is a class of new classical macroeconomics models in which business-cycle fluctuations are accounted for by real, in contrast to nominal, shocks. [1] RBC theory sees business cycle fluctuations as the efficient response to exogenous changes in the real economic environment.
A macroeconomic model is an analytical tool designed to describe the operation of the problems of economy of a country or a region. These models are usually designed to examine the comparative statics and dynamics of aggregate quantities such as the total amount of goods and services produced, total income earned, the level of employment of productive resources, and the level of prices.