Competition would normally drive out inefficient retailers, but a combination of zoning laws, taxes and subsidies keep them in business.

WSJ: Review & Outlook: Mr. Abe's 'Third Arrow'

The original Act was actually a combination of two laws.

FORBES: Liberal Courts Still Gunning Against Second Amendment Rights

Most Asian nations have sought to rein in illegal betting by a combination of tightening laws against offshore and Internet betting, or legalizing a limited amount of soccer wagering.

FORBES: Magazine Article

The combination of generous inheritance laws and the practice of polygamy meant that wealth was dispersed among numerous claimants.

ECONOMIST: Schumpeter

With ever-stricter environmental laws in combination with state-set green energy rules, the value of biomass facilities is expected to rise.

FORBES: Biomass Breathing New Life Into Coal Plants

For trade barriers are the combination of such tariffs and laws with transport costs.

FORBES: Tariffs and Trade: The Tariff Level Isn't the Most Important Thing

Factor in the economical ramifications that some of these laws would have and it makes for a bad combination.

FORBES: Despite Outrage And Grief, Irrational Gun Rights Restrictions Won't Prevent Senseless Violence