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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.
Doughnut Economics: Seven Ways to Think Like a 21st-Century Economist is a 2017 non-fiction book by Oxford economist Kate Raworth. [1] The book elaborates on her concept of doughnut economics , first developed in her 2012 paper, A Safe and Just Space for Humanity .
In a later book, Essays in the theory of Economic Growth, [2] [3] she tried to lower the degree of abstraction. Robinson presented her growth model in verbal terms. A mathematical formalization was later provided by Kenneth K. Kurihara. Assumptions: [4] There is a laissez-faire closed economy. The factors of production are capital and labour only.
The main goal of the new model is to re-frame economic problems and set new goals. In this context, the model is also referred to as a "wake-up call to transform our capitalist worldview". [5] In this model, an economy is considered prosperous when all twelve social foundations are met without overshooting any of the nine ecological ceilings ...
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.
According to Kaldor, “The purpose of a theory of economic growth is to show the nature of non-economic variables which ultimately determine the rate at which the general level of production of the economy is growing, and thereby contribute to an understanding of the question of why some societies grow so much faster than others.” [2] [1]
The central planning board (CPB) has three major functions in the Lange model: First it instructs firms to set price to equal marginal cost, secondly it adjusts prices to attain market-clearing prices for goods and services, and finally, it reinvests the economic profit derived from state enterprises into the economy based on a target rate of ...
The Lucas islands model is an economic model of the link between money supply and price and output changes in a simplified economy using rational expectations. It delivered a new classical explanation of the Phillips curve relationship between unemployment and inflation. The model was formulated by Robert Lucas, Jr. in a series of papers in the ...