13,580 research outputs found

    The Lucas Orchard

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    This paper investigates the behavior of asset prices in an endowment economy in which a representative agent with power utility consumes the dividends of multiple assets. The assets are Lucas trees; a collection of Lucas trees is a Lucas orchard. The model generates return correlations that vary endogenously, spiking at times of disaster. Since disasters spread across assets, the model generates large risk premia even for assets with stable fundamentals. Very small assets may comove endogenously and hence earn positive risk premia even if their fundamentals are independent of the rest of the economy. I provide conditions under which the variation in a small asset’s price-dividend ratio can be attributed almost entirely to variation in its risk premium.

    The Forward Premium Puzzle in a Two-Country World

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    I explore the behavior of asset prices and the exchange rate in a two-country world. When the large country has bad news, the relative price of the small country’s output declines. As a result, the small country’s bonds are risky, and uncovered interest parity fails, with positive excess returns available to investors who borrow at the large country’s interest rate and lend at the small country’s interest rate. I use a diagrammatic approach to derive these and other results in a calibration-free way.

    Where is full employment?

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    Unemployment in Australia is now at its lowest in over 30 years. This experience of low rates of unemployment has prompted a number of statements that the Australian economy is at or very close to full employment. However, even though unemployment is low in comparison with the previous 30 years, it is greater than the rates experienced in the 1950s and 1960s, during which the average was slightly below two per cent. Furthermore, the 4.4 per cent rate of unemployment in April 2007 included 84,000 who had been unemployed for more than a year. These doubts about whether the Australian economy is currently at full employment are supported by findings of a body of research reported in this paper. This research suggests that, given current policy settings on labour market regulation, microeconomic reform and welfare support, full employment may occur at a rate of unemployment as low as 2.5 per cent. The estimation of this low rate of unemployment is based on a model of a range of equilibrium rates of unemployment.full employment; range of equilibria; Keynesian economics
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