Andriy Blokhin has 5+ years of professional experience in public accounting, personal investing, and as a senior auditor with Ernst & Young. Erika Rasure is globally-recognized as a leading consumer ...

A utility function measures a consumer’s preference and satisfaction with different goods or services. As part of rational choice theory, it helps economists analyze how consumers make decisions to ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Erika Rasure is globally-recognized as a leading consumer economics subject ...

Tools like Excel and Google Sheets are ubiquitous these days, and learning how to use them more effectively will quickly ...

Are you a low, medium or high user of gas and electricity? Estimated energy use figures How to find your actual energy usage figures How to work out the running cost of appliances The energy price cap ...

The @ symbol can also appear in regular formulas outside of tables when Excel thinks you're trying to reference a single value from a range. If you see it pop up unexpectedly, it usually means Excel ...

TSD 21: Flexible methods for survival analysis (PDF, 5.7MB) TSD 20: Multivariate meta-analysis of summary data for combining treatment effects on correlated outcomes and evaluating surrogate endpoints ...