phillips.def DU DP Obs: 444, monthly (1970:01 - 2006:12) DU : change in unemployment rate DP : change in inflation rate Data Source: Federal Reserve Economic Data, Federal Reserve Bank of St.Louis Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- du | 444 .0022501 .1776294 -.6677008 .9069429 dp | 444 -.0071723 .3510959 -1.707947 1.554821