In a linked post, Kevin Carson quotes Benjamin Tucker:
It is not enough, however true, to say that, "if a man has labor to sell, he must find some one with money to buy it"; it is necessary to add the much more important truth that, if a man has labor to sell, he has a right to a free market in which to sell it, - a market in which no one shall be prevented by restrictive laws from honestly obtaining the money to buy it. If the man with labor to sell has not this free market, then his liberty is violated and his property virtually taken from him. Now, such a market has constantly been denied, not only to the laborers at Homestead, but to the laborers of the entire civilized world. And the men who have denied it are the Andrew Carnegies. Capitalists of whom this Pittsburgh forge-master is a typical representative have placed and kept upon the statute-books all sorts of prohibitions and taxes (of which the customs tariff is among the least harmful) designed to limit and effective in limiting the number of bidders for the labor of those who have labor to sell....Check it out. And follow Rad Geek's and Carson's links.