This book is a comprehensive introduction to financial modeling that teaches advanced undergraduate and graduate students in finance and economics how to use R to analyze financial data and implement financial models. This text will show students how to obtain publicly available data, manipulate...

This paper reexamines the widely-held wisdom that the currency exposure of international investments should be entirely hedged. It finds that the previously documented ability of hedges to reduce portfolio return variance holds at short horizons, but not at long horizons. At horizons of several...

This paper reexamines the widely-held wisdom that the currency exposure of international investments should be entirely hedged. It finds that the previously documented ability of hedges to reduce portfolio return variance holds at short horizons, but not at long horizons. At horizons of several...

This research investigates the influence of methodological choices in portfolio sorts on the size of the carbon premium. By analyzing more than 100,000 methodological paths, we find that variations in the construction of brown-minus-green portfolios create substantial non-standard errors. From...

We study the size and drivers of non-standard errors (Menkveld et al., 2021) in portfolio sorts across 14 common methodological decision nodes and 40 sorting variables. These non-standard errors range between 0.05 and 0.26 percent and are, on average, larger than standard errors. Supposedly...