Author: Joong Shik Kang
Publisher:
ISBN:
Category :
Languages : en
Pages : 150

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Author: Sven Blank
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Perfect risk sharing requires both, frictionless goods as well as frictionless asset markets. To analyze the consequences of both type of frictions for consumption risk sharing across countries, the model by Ghironi and Melitz (2005) is extended to allow for international trade in equities. The model features fixed costs of exporting as well as variables iceberg costs when shipping goods. Financial markets are incomplete, as only two assets are traded, which cannot span all the uncertainty caused by potential shock scenarios. In models with incomplete asset markets, two well known problems arise. First, the steady state portfolio allocation in a non-stochastic steady state is indeterminate since assets are perfect substitutes. And, second, as noted by Schmitt-Grohé and Uribe (2003) among others, even transitory shocks may have permanent effects on wealth. This, in turn, may lead to non-stationary responses of the endogenous variables. To deal with these issues, quadratic portfolio costs on asset holdings as in Ghironi, Lee, and Rebucci (2007) are introduced. Besides introducing frictions in asset markets, these costs help to pin down the steady state portfolio allocation and induce model stationarity. This research note gives technical details on the solution of the model. In the following section, the basic setup of the model as well as the main variables and equilibrium conditions of the model are briefly summarized. Section 3 solves for the steady state levels of the endogenous variables.

Author: Sven Blank
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author: Michael W. Brandt
Publisher:
ISBN:
Category : Economics
Languages : en
Pages : 52

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Exchange rates depreciate by the difference between the domestic and foreign marginal utility growths. Exchange rates vary a lot , as much as 10% per year. However, equity premia imply that marginal utility growths vary much more, by at least 50% per year. This means that marginal utility growths must be highly correlated across countries -- international risk sharing is better than you think. Conversely, if risks really are not shared internationally, exchange rates should vary more than they do -- exchange rates are much too smooth. We calculate an index of international risk sharing that formalizes this intuition in the context of both complete and incomplete capital markets. Our results suggest that risk sharing is indeed very high across several pairs of countries.

Author: Enrique Martínez-García
Publisher:
ISBN:
Category :
Languages : en
Pages : 21

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I develop a two-country New Keynesian model with capital accumulation and incomplete international asset markets that provides novel insights on the effect that imperfect international risk-sharing has on international business cycles and RER dynamics. I find that business cycles appear similar whether international asset markets are complete or not when driven by a combination of non-persistent monetary shocks and persistent productivity (TFP) shocks. In turn, international asset market incompleteness has sizeable effects if (persistent) investment-specific technology (IST) shocks are a main driver of business cycles. I also show that the model with incomplete international asset markets can approximate the RER volatility and persistence observed in the data, for instance, if IST shocks are near-unit-root. Hence, I conclude that the nature of shocks, the extent of financial integration across countries and the existing limitations on asset trading are central to understand the dynamics of the real exchange rate and the endogenous international transmission over the business cycles.

Author: Devereux, Michael
Publisher:
ISBN:
Category :
Languages : en
Pages : 26

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Author: Viktoria V. Hnatkovska
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ISBN:
Category : Capital movements
Languages : en
Pages : 374

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Author: Craig Burnside
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ISBN:
Category : Assets (Accounting)
Languages : en
Pages :

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Recent research in international finance has equated changes in real exchange rates with differences between the marginal utility growths of representative agents in different economies. The asset market view of exchange rates, encapsulated in this equation, has been used to gain insights into exchange rate determination, foreign exchange risk premia, and international risk sharing. We argue that, in fact, this equation is of limited usefulness. By itself, the asset market view does not identify the economic mechanism that determines the exchange rate. It only holds under complete markets, and even then, it does not generally allow us to identify the marginal utility growths of distinct agents. Moreover, if we allow for incomplete asset markets, measures of agents' marginal utility growths, and international risk sharing, cannot be based on asset market and exchange rate data alone. Instead, we argue that in order to explain how exchange rates are determined, it is necessary to make specific assumptions about preferences, goods market frictions, the assets agents can trade, and the nature of endowments or production.

Author: John Heaton
Publisher:
ISBN:
Category :
Languages : en
Pages : 0

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Author: Michael B. Devereux
Publisher:
ISBN:
Category :
Languages : en
Pages : 26

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