Economics 101: Three Meals on $3 a Day

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Greg Margolese never thought he'd be writing a cookbook. After talking to him, you might be surprised too.

"Al dente?" he asked. "What's that?"

But when the former economics instructor started reading about corporate downsizings that were sending millions of Americans into unemployment lines, he decided that the study of theoretical economics could take a lesson from home economics.

Coping with today's economy may boil down to feeding your family on a tight budget, he concluded. Thus began the research for "The Frugal Chef's Good Health Cookbook" that promises three ample meals for about $3 a day.

For Margolese, writing a cookbook combined his …