The Federal Reserve Bank of New York are one of many groups that are making economics readings for University educators available online. These articles are clearly exposited and accessible for a wide range of audiences. Examples are given below:
Popular Course Readings
What Drives Productivity Growth?Kevin J. Stiroh
The Economics of Currency Crises and Contagion:An IntroductionPaolo Pesenti & Cédric Tille
Viewing the Current Account as a Capital InflowMatthew Higgins & Thomas Klitgaard
Inflation Targeting: Lessons from Four CountriesFrederic S. Mishkin & Adam S. Posen
The Yield Curve as a Predictor of U.S. RecessionsArturo Estrella & Frederic S. Mishkin
Recent Articles of Interest
Two articles on the gains from trade:
U.S. Jobs Gained and Lost through Trade: A Net MeasureErica L. Groshen, Bart Hobijn & Margaret M. McConnell
Are We Underestimating the Gains from Globalizationfor the United States?Christian Broda & David Weinstein
Two articles on housing prices:
Assessing High House Prices: Bubbles, Fundamentals,and MisperceptionsCharles Himmelberg, Christopher Mayer & Todd Sinai
Are Home Prices the Next "Bubble"?Jonathan McCarthy & Richard W. Peach.
Definitely worth a look. One can also search for relevant articles by course type. Their mathematical complexity is indicated.