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Author:Peralta-Alva, Adrian 

Working Paper
Reconstructing the great recession

This paper evaluates the role of the construction sector in accounting for the performance of the U.S. economy before, during and after the Great Recession. We use input-output analysis to evaluate its linkages with the rest of the economy and measure the transmission of its demand shocks to the overall economy. Such effects are quantified by means of a dynamic multi-sector model parameterized to reproduce the boom-bust dynamics of employment in construction during 2000-13. The model suggests that the interlinkages account for a large share of the actual changes in aggregate employment and ...
Working Papers , Paper 2013-006

Working Paper
What happened to the US stock market? Accounting for the last 50 years

The extreme volatility of stock market values has been the subject of a large body of literature. Previous research focused on the short run because of a widespread belief that, in the long run, the market reverts to well understood fundamentals. Our work suggests this belief should be questioned as well. First, we show actual dividends cannot account for the secular trends of stock market values. We then consider a more comprehensive measure of capital income. This measure displays large secular fluctuations that roughly coincide with changes in stock market trends. Under perfect foresight, ...
Working Papers , Paper 2009-042

Working Paper
A macroeconomic analysis of obesity

This paper tries to understand the underlying causes of the rapid increase in obesity rates over recent decades. In particular, we propose a dynamic general equilibrium model to derive the quantitative implications of a decline in the relative (monetary and time) cost of food prepared away from home on the caloric intake of the average American adult over the last forty years. Two channels that lower this relative cost are considered. First, productivity improvements in the production of food prepared away from home. We and that this channel is qualitatively consistent with expenditure trends ...
Working Papers , Paper 2008-017

Working Paper
Quantifying the shadow economy: measurement with theory

We construct a dynamic, general equilibrium model of tax evasion where agents choose to report some of their income. Unreported income requires using a payment method that avoids recordkeeping ? cash. Trade using cash to avoid taxes is the theoretical measure of the shadow economy from our model. We then calibrate our model using money, interest rate and GDP data to back out the size of the shadow economy for a sample of 30 countries and compare our estimates to traditional ad hoc estimates. Our results generate reasonably larger estimates for the size of the shadow economy than exist in ...
Working Papers , Paper 2011-015

Working Paper
Sectoral shocks, reallocation frictions, and optimal government spending

What is the optimal policy response to a negative sectoral shock? How do frictions in goods and labor markets affect the nature and speed of the process of reallocating resources across alternative uses? Should government controlled inputs be allocated to compensate for frictions faced by the private sector or, rather, should they be deployed to complement private sector decisions? In this paper we make a first attempt to understand what features of an economy determine the answers to the previous questions. We study a model in which the drop in the private demand for structures frees up ...
Working Papers , Paper 2011-017

Working Paper
Optimal monetary and fiscal policies in a search theoretic model of monetary exchange

In this paper we study optimal monetary and fiscal policies, and the welfare costs of inflation, within the Lagos and Wright (2005) framework. Monetary equilibria may be inefficient without fiscal policy tools due to bargaining frictions. We show that subsidies in decentralized markets can be implemented to alleviate underproduction, while money is still essential. Deviations from the Friedman rule may be large, and having fiscal and monetary policies in place results in considerable welfare gains. When fiscal policies are held constant, the welfare costs of increasing inflation may be as ...
Working Papers , Paper 2008-015

Working Paper
Analysis of numerical errors

This paper provides a general framework for the quantitative analysis of stochastic dynamic models. We review convergence properties of some numerical algorithms and available methods to bound approximation errors. We then address convergence and accuracy properties of the simulated moments. Our purpose is to provide an asymptotic theory for the computation, simulation-based estimation, and testing of dynamic economies. The theoretical analysis is complemented with several illustrative examples. We study both optimal and non-optimal economies. Optimal economies generate smooth laws of motion ...
Working Papers , Paper 2012-062

On Financing Retirement, Health Care, and Long-Term Care in Japan

Japan is facing the problem of how to finance retirement, health care, and long-term care expenditures as the population ages. This paper analyzes the impact of policy options intended to address this problem by employing a dynamic general equilibrium overlapping generations model, specifically parameterized to match both the macro- and microeconomic level data of Japan. We find that financing the costs of aging through gradual increases in the consumption tax rate delivers better macroeconomic performance and higher welfare for most individuals relative to other financing options, including ...
Staff Report , Paper 586

Working Paper
A model of price swings in the housing market

In this paper we use a standard neoclassical model supplemented by some frictions to understand large price swings in the housing market. We construct a two good general equilibrium model in which housing is a composite good produced using structures and land. We revisit the connection between changes in interest rates, credit conditions as measured by maximum loan-to-value ratios and expectations in influencing housing prices in a setting in which the stock of housing can be used as collateral for borrowing and credit markets are segmented. We find that changes in interest rates and credit ...
Working Papers , Paper 2012-022

Working Paper
Oil crisis, energy-saving technological change and the stock market crash of 1973-74

The market value of U.S. corporations was nearly halved following the oil crisis of October 1973. Real energy prices more than doubled by the end of the decade, increasing energy costs and spurring innovation in energy-saving technologies by corporations. This paper uses a neo-classical growth model to quantify the impact of the increase in energy prices on the market value of U.S. corporations. In the model, corporations adopt energy-saving technologies as a response to the energy price shock and the price of installed capital falls due to investment irreversibility. The model calibrated to ...
Working Papers , Paper 2008-019



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