<Tr> <Td> Los Angeles </Td> <Td> $6.38 </Td> </Tr> <Tr> <Td> Philadelphia </Td> <Td> $6.08 </Td> </Tr> <Tr> <Td> New York City </Td> <Td> $3.86 </Td> </Tr> <P> According to a survey conducted by economist Greg Mankiw, 79% of economists agreed that "a minimum wage increases unemployment among young and unskilled workers ." </P>

When was the last time minimum wage went up