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2017 (3)

2012 (2)

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Book
Evaluating Changes in the Transmission Mechanism of Government Spending Shocks
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ISBN: 1475586698 9781475586695 147558606X 9781475586060 1475586671 Year: 2017 Publisher: Washington, D.C. : International Monetary Fund,

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Abstract

We empirically revisit the crowding-in effect of government spending on private consumption based on rolling windows of U.S. data. Results show that in earlier samples government spending is increasingly crowding in private consumption; however, this relation is reverted in the latest periods. We propose a model embedding non-separable public and private consumption in the utility function and rule-of-thumb consumers to assess the sources of non-monotonic changes in the transmission of the shock. The iterative full information estimation of the model reveals that changes in the co-movement between private and public spending is primarily driven by the fluctuations in the elasticity of substitution between private and public consumption, the share of financially constrained consumers, and the elasticity of intertemporal substitution.


Book
Money and Credit : Theory and Applications
Authors: --- ---
ISBN: 1475577729 9781475577723 1475572336 9781475572339 1475577672 Year: 2017 Publisher: Washington, D.C. : International Monetary Fund,

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Abstract

We develop a theory of money and credit as competing payment instruments, then put it to work in applications. Buyers can use cash or credit, with the former (latter) subject to the inflation tax (transaction costs). Frictions that make the choice of payment method interesting also imply equilibrium price dispersion. We deliver closed-form solutions for money demand. We then show the model can simultaneously account for the price-change facts, cash-credit shares in micro payment data, and money-interest correlations in macro data. We analyze the effects of inflation on welfare, price dispersion and markups. We also describe nonstationary equilibria as self-fulfilling prophecies, which is standard, except here it entails dynamics in the price distribution.


Book
Household Production, Services and Monetary Policy
Author:
ISBN: 147552546X 1475505566 1475549733 147557794X 9781475525465 9781475505566 9781475577945 9781475505566 9781475577945 9781475549737 Year: 2012 Volume: WP/12/206 Publisher: Washington, D.C. : International Monetary Fund,

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Abstract

A distinctive feature of market-provided services is that some of them have close substitutes at home. Households may therefore switch between consuming home and market services in response to changes in the real wage - the opportunity cost of working at home - and changes in the price of market services. In order to analyze and quantify the implications of this trade-off for monetary policy, I embed a household sector into an otherwise standard sticky price DSGE model, which I calibrate to the U.S. economy. The results of the model are twofold. At the sectoral level, household production augments the service sector's New Keynesian Phillips curve with a sizable extra component that co-moves negatively with the output gap term, lowering the incentive of service sector firms to change their prices. This mechanism endogenously amplifies the real effects of a monetary shock in that sector, unlike in the nondurable goods sector for which households cannot manufacture substitutes at home. At the aggregate level, household production also implies more sluggish prices and a stronger response of real macroeconomic variables to a monetary shock. Some empirical support for this theory is provided.


Book
Sectoral Labor Mobility and Optimal Monetary Policy
Authors: ---
ISBN: 1475584903 9781475584905 1475584830 Year: 2017 Publisher: Washington, D.C. : International Monetary Fund,

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Abstract

In an estimated two-sector New-Keynesian model with durable and nondurable goods, an inverse relationship between sectoral labor mobility and the optimal weight the central bank should attach to durables inflation arises. The combination of nominal wage stickiness and limited labor mobility leads to a nonzero optimal weight for durables inflation even if durables prices were fully flexible. These results survive alternative calibrations and interestrate rules and point toward a non-negligible role of sectoral labor mobility for the conduct of monetary policy.


Book
What (Really) Accounts for the Fall in Hours After a Technology Shock?
Author:
ISBN: 1475580576 1475505612 1475524153 147555236X 9781475580570 9781475505610 9781475552362 9781475505610 9781475552362 9781475524154 Year: 2012 Publisher: Washington, D.C. : International Monetary Fund,

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Abstract

The paper asks how state of the art DSGE models that account for the conditional response of hours following a positive neutral technology shock compare in a marginal likelihood race. To that end we construct and estimate several competing small-scale DSGE models that extend the standard real business cycle model. In particular, we identify from the literature six different hypotheses that generate the empirically observed decline in worked hours after a positive technology shock. These models alternatively exhibit (i) sticky prices; (ii) firm entry and exit with time to build; (iii) habit in consumption and costly adjustment of investment; (iv) persistence in the permanent technology shocks; (v) labor market friction with procyclical hiring costs; and (vi) Leontief production function with labor-saving technology shocks. In terms of model posterior probabilities, impulse responses, and autocorrelations, the model favored is the one that exhibits habit formation in consumption and investment adjustment costs. A robustness test shows that the sticky price model becomes as competitive as the habit formation and costly adjustment of investment model when sticky wages are included.

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