In this article, we describe two commands - fetchyahooquotes and fetchyahookeystats - that import historical financial data and key current finan- cial statistics from Yahoo! Finance.

fxrates is a command to import historical U.S. exchange rate data from the Federal Reserve and to calculate the daily change of the exchange rates. Because many cross-country datasets use different spellings and conventions for country names, we also introduce a second command, countrynames, to...

The American Presidency Project (http://www.presidency.ucsb.edu) provides presidential job approval poll results. These data are available for each U.S. president since President Franklin D. Roosevelt and for all the job approval polls conducted since his presidency. In this article, we propose...

Diversification and portfolio selection are integral parts of a finance curriculum. In this article, a multifactor capital asset pricing model is fit for components of the Dow Jones Composite Index using data from Yahoo! Finance. Along with the capital asset pricing model's Beta, other...