Discover the pros and cons of covered call ETFs. Learn why they offer income but may lag in bull or bear markets.

Abstract: Meeting the energy needs of a growing population is of paramount importance in today’s society. The use of renewable energy sources, especially solar energy, can help reduce greenhouse gas ...

In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tree- or ...

Abstract: Index structures are powerful tools for improving query performance and reducing disk access in database systems. Multi-dimensional indexes, in particular, are used to filter records ...

A former Senior Publishing Editor on the Dow Jones Newswires team at The Wall Street Journal, Aaron earned a Bachelor's degree in Economics from the University of Michigan and a Master's in Journalism ...