This paper explores in depth the nature of the conditional moment restrictions implied by log-linear intertemporal capital asset pricing models (ICAPMs) and shows that the generalized instrumental variables (GMM) estimators of these models (as typically implemented in practice) are inefficient....

This paper investigates empirically a model of aggregate consumption andleisure decisions in which goods and leisure provide services over time. Theimplied time non-separability of preferences introduces an endogenous source ofdynamics which affects both the co-movements in aggregate...

We find that several recently proposed consumption-based models of stock returns, when evaluated using an optimal set of managed portfolios and the associated model-implied conditional moment restrictions, fail to capture key features of risk premiums in equity markets. To arrive at these...

We study the nature of sovereign credit risk using an extensive sample of CDS spreads for 26 developed and emerging-market countries. Sovereign credit spreads are surprisingly highly correlated, with just three principal components accounting for more than 50 percent of their variation....

In the setting of affineamp;apos; jump-diffusion state processes, this paper provides an analytical treatment of a class of transforms, including various Laplace and Fourier transforms as special cases, that allow an analytical treatment of a range of valuation and econometric problems. Example...

This paper characterizes, interprets, and tests the over-identifying restrictions imposed in affine models of the termquot; structure. Letting r(t) = euml; Y(t), where Y is an unobserved vector affine process, our analysis proceeds in three steps. First, we show that affine models can be...

Though linear projections of returns on the slope of the yield curve have contradicted the implications of the traditional expectations theory,' we show that these findings are not puzzling relative to a large class of richer dynamic term structure models. Specifically, we are able to match all...

This paper provides a simulated moments estimator (SME) of the parameters of dynamic models in which the state vector follows a time-homogeneous Markov process. Conditions are provided for both weak and strong consistency as well as asymptotic normality. Various tradeoff's among the regularity...

This paper presents and interprets some new evidence on the validity of the Real Business Cycle approach to business cycle analysis. The analysis is conducted in the context of a monetary business cycle model which makes explicit one potential link between monetary policy and real allocations....

This paper examines the time series properties of the price of a risky asset implied by a model in which competitive traders are heterogeneously informed about the underlying sources of uncertainty in the economy.Traders do not observe the shocks in the period they occur. However, traders are...