In the Melitz model, when a firm begins to export its product in addition to supplying the product to the domestic market, the firm encounters additional fixed costs; with successful exporting taking place by such firms, the level of average aggregate productivity in this Industry Multiple Choice positive, rises no, remains constant no; rises positive, remains constant
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- Aggregate supply measures the level of real domestic output that will be produced at each price level. If theeconomy is operating beyond its full employment output, most of the available re-sources are alreadyemployed WHAT will be the impact on the per-unit production costs as econ-omy expands? Select one: Decrease initially and then rise Remain Unchanged Increase initially and then fall Decrease IncreaseThe IS-LM model is a simplification of the interrelationship between selected economic variables. The model consists of a number of en- dogenous variables (those variables whose values are determined inside the model) and a number of exogenous variables (those variables whose values are determined outside the model). The labour markets mostly consider the relationships between prices, expected prices, unemploy- ment among other macroeconomic variables. (a) Explain endogenous and exogenous variables in the IS-LM model as well as the labour markets, derive the AD-AS model.Consider the binary variable version of the fixed effects model with an additional regressor, D1; that is, let Yit = β0 + β1Xit + γ1D1i + γ2D2i +...+ γnDni + ui.a) Suppose that n = 3. Show that the binary regressors and the “constant” regressor areperfectly multicollinear; that is, express one of the variables D1i , D2i, D3i, and X0it as aperfect linear function of the others, where X0it = 1 for all i,t.b) Show the result in (a) for general n.c) What will happen if you try to estimate the coefficients of the regression by OLS?
- Asap plz 15) International firms will invest in less developed countries at the beginning of their production life cycle, but as production is standardized and sold mainly on prices, they shift production to developed countries.Select one:O TrueO Falsethe following mundell-fleming model of a small, open economy will be used in all numerical exercises. it assumes a short-run framework in which prices are constant and output is demand-determined. c=150+0.8(y-t) i=500-30r nx=400-150e m/p=50+y-60r r=5 g=300 t=100 m=3000 p=3 the above values of exogenous variables will be referred to as their original values in the questions below. for this question, assume that the exchange rate is floating. derive the equilibrium equations for is* and lm*, sketch a graph of the two equations and solve for the equilibrium values of y, e and nx.the following mundell-fleming model of a small, open economy will be used in all numerical exercises. it assumes a short-run framework in which prices are constant and output is demand-determined. c=150+0.8(y-t) i=500-30r nx=400-150e m/p=50+y-60r r=5 g=300 t=100 m=3000 p=3 the above values of exogenous variables will be referred to as their original values in the questions below. for this question, assume that the exchange rate is floating. derive the equilibrium equations for is* and lm*, sketch a graph of the two equations and solve for the equilibrium values of y, e and nx. b)Suppose the Treasury attempts to stimulate the economy by decreasing taxes T from 100 to 70. Calculate the new values of Y, e and NX. With the help of the graph you sketched in (a), explain the mechanism by which a new equilibrium is reached. answer part b
- the following mundell-fleming model of a small, open economy will be used in all numerical exercises. it assumes a short-run framework in which prices are constant and output is demand-determined. c=150+0.8(y-t) i=500-30r nx=400-150e m/p=50+y-60r r=5 g=300 t=100 m=3000 p=3 the above values of exogenous variables will be referred to as their original values in the questions below. for this question, assume that the exchange rate is floating. Suppose the Treasury attempts to stimulate the economy by decreasing taxes T from 100 to 70. Calculate the new values of Y, e and NX. With the help of the graph you sketched in (a), explain the mechanism by which a new equilibrium is reached.Q: Determine whether the following statemnts are true or false: a) If the firm increases the volume of used resources by 30%, and the volume of production thus increases by 20%, then there is a positive effect of the production scale. b) Average fixed costs decrease as production increases. c) The economic profit usually exceeds the accounting profit.Competition among capitalists in the international commodity markets has pushed down the prices of imported raw materials that are used in many domestic industries. What is the impact on the aggregate constant capital advanced? What is the impact on the annual general rate of profit?
- Due to COVID-19 situations the oil prices fall in international market. Let’s assume that output starts at its natural level. a. What happens to the Pakistan’s economy (output and price) in the short run? Explain your answer using AS-AD graphs. b. What happens to Pakistan’s economy (output and price) in the long run? Explain your answers using graphs.Kusho Industries produces and sells computer chips. Its (hourly) production function is Q=4K 0.4L 0.6 while its (hourly) cost function is C=20L+80K. Furthermore, Kusho must produce q0=400 computer chips per hour. a. Which levels of L and K satisfy the first-order conditions for the constrained minimisation of Kusho’s cost? Use the Lagrange Multiplier (LM) method. Also, find and interpret the value of the Lagrangemultiplier b. Show that MRTS=w at the constrained cost minimising levels of L and K obtained aboveCOVID-19 has undoubtedly been a defining time in our generation's history, with effects on global economies comparable insome instances to what was experienced during the Great Depression of the 1930s. The pandemic has also recalled theeconomic shockwaves of the Global Financial Crisis of 2008/09. One can argue that this episode is like none seen beforebecause it hasn’t emanated from economic factors. The pandemic is also having a broad spectrum of effects on economiesand exchange rates globally.