Great wall of china tour for Failing this, weak demand will result in the redirection of resources toward other, more efficient and valued industries. Subsidies counteract the effects of demand reduction, and may, in fact, be resisting the reallocation of goods to more highly valued uses. Some feel that it is worthwhile to secure certain industries and jobs in order to preserve communities and particular ways of life. While some may value these things, others realize that subsidies can seriously impair economic efficiency. The argument can be made that art needs subsidies because there are too few who appreciate its true value. While this notion appeals to many, discerning the merits of any merit good is a difficult matter. Whose opinion should rule in determining what constitutes good art? How can we know how much of a subsidy any particular artwork merits? Markets do foster the supply of art in many ways, but given the difficulties in sorting out allegedly objective merits in art, the case for art subsidies is far from certain. Great wall of china tour 2016.