“When greed meets control, you get a black market.”

“When greed meets control, you get a black market” is a compact explanation of how commercial crime takes shape: profit-seeking and restrictive regulation must converge. The expression shifts the discussion from the mechanics of an illicit transaction to the conditions that make such a market possible.

The expression’s logic

The speaker argues that neither element is sufficient by itself. Greed without control does not produce a black market, nor does control without a motive for profit. The market emerges from their interaction, making the line a causal formula rather than a general claim that either profit or regulation is inherently criminal.

Currency markets and examples

The immediate subject is currency: the government and the Reserve Bank of India control the legal market, and the speaker considers those controls too strict. He tests his reasoning through deliberately contrasting examples. People might seek profit from pastries, but without strict controls on their production there would be no black market for apple strudel; sewage disposal is strictly controlled, but without profit to be made from sewage, that control would not create an illicit market either. The comic examples make the same point from opposite directions: restriction needs an incentive, and incentive needs restriction.

The exchange around the line

The explanation follows an admission that the interlocutor had previously connected tourists with black-market dealers and taken a cut, without knowing what happened to the dollars afterward. The speaker offers an account of why such markets exist, not instructions for carrying out the trade. The narrator responds with laughter and admiration, glad to receive an explanation of the logic of currency crime rather than merely practical guidance; the speaker answers self-deprecatingly that he has not given the matter much thought. That contrast lends the expression its force: a neatly structured theory is delivered as if it were an incidental observation.