Despite the widespread belief that technology shocks are the main source of business fluctuations, recent empirical studies indicate that in the absence of financial frictions, a shock to the marginal efficiency of investment is the main source and is closely related to financial conditions for...

The creditworthiness of companies, and also their profitability and financial condition, are one way to measure whether the improvement in the risk-taking behavior of companies, such as business fixed investment, is becoming full-scale. In this paper, we use "credit ratings," a major indicator...

Despite the widespread belief that Japan’s “Great Stagnation” in the 1990s is due to the financial dysfunction after the collapse of asset price bubbles, Hayashi and Prescott (2002) argue that its main cause is a slowdown in total factor productivity growth, using a calibrated neoclassical...

This paper proposes a new econometric framework for estimating trend inflation and the slope of the Phillips curve with a regime-switching model. As a unique aspect of our approach, we assume regimes for the trend inflation at one-percent intervals, and estimate the probability of the trend...

Despite the widespread belief that technology shocks are the main source of business fluctuations, recent empirical studies find that an investment efficiency shock mainly drives such fluctuations and reflects financial conditions for investment. This poses the question as to what is the major...