Deaths due to illegal drugs are dramatic and, to a large degree, calculable.

ECONOMIST: Legalising drugs

If the economy is governed by historical happenstance, not timeless laws, and subject to imponderable contingencies, not calculable risks, then the economist may have precious little to say.

ECONOMIST: Economics focus

It is hard to judge if this kind of gambit ever makes sense in the real world: the short-term losses might be calculable, but the long-term rewards are not.

ECONOMIST: Pay TV and football

While the easiest calculable money that Wichita State will bring in as a result of its Final Four berth is that from the NCAA basketball fund, Wichita State stands to earn significantly more from other resources.

FORBES: A Final Four Berth Means Big Money For Wichita State Basketball

It takes longer for the business owner to acquire funds to grow their business, and then to put those funds to use to derive calculable results presented in economic activity reports, as compared to the much quicker effects we see in the stock market when investors simply actuate their positive sentiment into stock purchases.

FORBES: QE3: You May Not Get What You Are Expecting