The fall in US macroeconomic volatility from the mid-1980s coincided with a strong rise in asset prices. Recently, this rise, and the crash that followed, have been attributed to overconfidence in a benign macroeconomic environment of low volatility. This paper introduces learning about the...

In this paper, we derive closed-form solutions for a variety of prices for financial assets in an RBC economy. The equations are based on a loglinear solution of the RBC model and allow a clearer understanding of the determination of risk premia in models with production. E.g., we show that risk...

We introduce the information microstructure of a canonical noisy rational expectations model (Hellwig, 1980) into the framework of a conventional real business cycle model. Each household receives a private signal about future productivity. In equilibrium, the stock price serves to aggregate and...

The work presented in this paper falls into two parts. First, using a simple model and within the context of the central bank’s objective of price stability, it is shown that the optimal monetary response to unexpected changes in asset prices depends on how these changes affect the central...

This paper evaluates models with idiosyncratic consumption risk using Hansen and Jagannathan’s (1991) volatility bounds. It is shown that idiosyncratic risk does not change the volatility bounds at all when consumers have constant relative risk aversion (CRRA) preferences and the distribution...

In this paper, we consider economies with (possibly endogenous) solvency constraints under uncertainty. Constrained inefficiency corresponds to a feasible redistribution yielding a welfare improvement beginning from every contingency reached by the economy. A sort of Cass Criterion (Cass (1972))...

Risk premia in the consumption capital asset pricing model depend on preferences and dividends. We develop a decomposition which allows for the separate treatment of both components. We show that preferences alone determine the risk-return trade-off measured by the Sharpe-ratio. In general, the...