What is put into the hands of B cannot be put into the hands of A. - Henry Hazlitt

The first thing that happens, for example, when a law is passed that no one shall be paid less than $106 for a forty-hour week is that no one who is not worth $106 a week to an employer will be employed at all. You cannot make a man worth a given amount by making it illegal for anyone to offer him anything less. You merely deprive him of the right to earn the amount that his abilities and situation would permit him to earn, while you deprive the community even of the moderate services that he is capable of rendering. In brief, for a low wage you substitute unemployment. You do harm all around, with no comparable compensation.

THE WHOLE ARGUMENT of this book may be summed up in the statement that in studying the effects of any given economic proposal we must trace not merely the immediate results but the results in the long run, not merely the primary consequences but the secondary consequences, and not merely the effects on some special group but the effects on everyone.

For every dollar that is spent on the (boondoggle) bridge a dollar will be taken away from taxpayers. If the bridge costs $1,000,000 the taxpayers will lose $1,000, 000. They will have that much taken away from them which they would otherwise have spent on the things they needed most.