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Working Paper
The Exchange Rate Effects of Macro News after the Global Financial Crisis
This paper explores whether the exchange rate effects of macro news are time- and state-dependent by analyzing and comparing the relative influence of US and Japanese macro news on the JPY/USD rate before, during, and after the Global Financial Crisis. A comprehensive set totaling 40 time-stamped US and Japanese news variables and preceding survey expectations along with 5-minute indicative JPY/USD quotes spanning the 1 January 1999 to 31 August 2016 period facilitate our analysis. Our results suggest that while US macro news are now more important than before the Crisis, the influence of ...
Discussion Paper
On maximum-likelihood estimation of the differencing parameter of fractionally integrated noise with unknown mean
There are two approaches to maximum likelihood (ML) estimation of the parameter of fractionally-integrated noise: approximate frequency-domain ML (Fox and Taqqwu, 1986) and exact time-domain ML (Solwell, 1990a). If the mean of the process is known, then a clear finite-sample mean-squared error (MSE) ranking of the estimators emerges: the exact time-domain estimator has smaller MSE. We show in this paper, however, that the finite-sample efficiency of approximate frequency-domain ML relative to exact time-domain ML rises dramatically when the mean result is unknown and instead must be ...
Conference Paper
Why the renminbi might be overvalued (but probably isn’t)
The Renminbi (RMB) is evaluated using relative PPP, absolute PPP, and Balassa-Samuelson criteria. We find that some approaches imply substantial undervaluation of the RMB, while others imply little or none. Yet a few others indicate slight overvaluation. However, even when the estimated degrees of undervaluation are large, the gap between predicted and actual values is not always statistically significant. We also find that including measures of institutions, such as the absence of corruption, results in smaller estimates of RMB undervaluation.