This notes outlines how to solve Hayashi and Prescott (2007) "The 1990s: Japan's Lost Decade", extended with an exogenous population growth and labour-augmenting technical progress, using a Linear-Quadratic Approximation as in Ljungqvist and Sargent (2004).

This paper surveys recent empirical work on tests for liquidity constraints.The focus of the survey is on the tests based on the Euler equation. After examining the technical aspects of the recent tests on aggregate time-series data and on micro data, the survey tries to evaluate their economic...

The permanent income hypothesis is tested on a four-quarter panel of about two thousand Japanese households for ten commodity groups. Consumption is a distributed lag function of expenditures, and the utility function is additively separable in time. Durability is defined as the persistence of...