Once upon a time, in a land far, far away – in Internet terms that’s about 10 years ago – a small business owner didn’t have to worry too much about macro-economics. Well, that was a nice trip down Memory Lane.

Today, Main Street business owners have to operate every day in their micro-economy, while keeping an eye on what’s happening at the macro level. Alas, macro-economics isn’t easy to get your head around when your highest priority on Monday morning is to cover payroll on Friday.

Here’s...