The principle or primary effect must be one that neither advances nor inhibits religion.

FORBES: North Carolina Religion Bill Killed-But One Third Of Americans Want Christianity As Official Religion Of USA

Inflation was believed to be driven largely by non-monetary factors, and most people believed that if you tried to control inflation using monetary policy, the primary effect would be to throw a lot of people out of work.

FORBES: The Swing of the Monetary Pendulum

These will be hard to erase even if new primary rules, which came into effect in time for votes on June 5th, succeed in making races more competitive (the jury is still out on this).

ECONOMIST: California��s Republicans

Not so "The Nance, " in which he's found a way to use the campiness that is his primary theatrical color to relevant and moving effect.

WSJ: The Tears of a Clown | The Nance | Motown: The Musical | Theater Reviews by Terry Teachout

Too often, the primary concern of competitive media marketplaces is not the effect a story will have, but the attention it will generate.

FORBES: The Media is an Accomplice in Public Shootings: A Call for a "Stephen King" Law

Most primary schoolchildren in Hong Kong attend in half-day shifts, each building in effect making do for two schools.

ECONOMIST: Next steps in Hong Kong

But using prestige as the primary (if not sole) signal of educational quality can have a keenly perverse effect on higher education, particularly to the extent that prestige encourages escalating costs.

FORBES: The Race for Prestige Drives College Costs