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What is the difference between horizontal short run aggregate supply curve and positively sloped short run aggregate supply curve?

Both of these curves corresponds to short run then what assumption leads to first one and what leads to second one? For horizontal SRAS we say that in the short run when we have aggregate demand of ...
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1answer
20 views

Is there an economic theory that explains what happens when a market is saturated with a precious resource?

The theoretical situation is this. What if a record breaking amount of platinum were discovered. What would happen to the economies that use, store, and/or produce platinum? I would like to apply ...
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1answer
32 views

Macroeconomics: effect of technology/workforce in the short run

My friends and I have homework and we can't come to a consensus on these questions on how they affect aggregate demand, aggregate supply, and equilibrium: Foreign investors building machineries with ...
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0answers
23 views

Linearization of VES production funtions

I know that the linearization of a CES (constant elasticity of substitution) funtion is a bit complicated. There is even an R package dedicated just for that - the econometric estimation and ...
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0answers
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Estimating aggregate production function with sharp decline during a crisis period

How could one go about estimating a long term aggregate production function, when there is a sharp decline in both factor inputs (i.e. investment and hours worked) and output for a few consecutive ...
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2answers
235 views

In microeconomics : is this the contradiction in the atomicity of firms ?

Let $p$ be the market demand. It is a function of the market production $Q$. Let $q_i$ be the production of firm $i$. Reading Steve Keen (in Debunking Economics, chapter II) quoting George Stigler, I ...
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1answer
137 views

Complementarity in CES Production Function

I'm reading Fisher (1997, Journal of Monetary Economics). From the intermediate goods produced ($Y_t$), the final goods firm allocates into consumption ($C_t$), business capital investment ($I_{b,t}$),...
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2answers
920 views

Will SRAS curve definitely shift if LRAS curve shifts?

From what I know, a shift in LRAS is generally caused by a change in maximum productive capacity of an economy, which affects the full-employment output level. Such change in maximum productive ...
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1answer
1k views

What is the difference between aggregate supply and GDP?

Usually when I read online, I see the following repeated frequently: aggregate demand is equal to GDP. I understand that aggregate expenditures is the aggregate demand at a particular price level, and ...
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2answers
2k views

Macroeconomics: Aggregate Demand, Equilibrium Dynamics and Expenditure Multipliers

I am having a hard time with the following economic questions (See attached). Here is my approach: Note about the curves: The graph below depicts an economy where a decline in aggregate demand has ...
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0answers
13 views

How do environmental deregulations push an economy inside its Production Possibility Frontier and make it inefficient?

I read in a textbook that if we plot a PPF with automobile manufacturing and clean air as the axes and the company pollutes the state making clean air (a public good) scarce, automobile manufacturing ...
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0answers
1k views

Difference between short run and long run supply curves?

We know that in short run supply curve is horizontal which means that prices remain rigid while quantity of supply adjusts according to demand. However, in long run this reverses. I know about some ...
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1answer
231 views

Aggregating CRS Production Functions

If thera are two firms and both of them have constant returns to scale production function. Will the aggregate/industry production function still be the sum of individual production functions. How ...