【单选题】A group of workers receives a pay increase of 10%. Also over this same time period the retail price index rises 10 points to 5It can be concluded that real wages have______.
【简答题】Consider a parent process that has forked a child in the code snippet below. int count = 0; ret = fork(); if(ret == 0) { printf("count in child=%d\n", count); } else { count = 1; } The parent executes...
【简答题】Consider the daily returns of Caterpillar (CAT) stock, CRSP value-weighted index (VW), CRSP equal-weighted index (EW), and the S&P composite index (SP) from January 3 , 2007, to December 3...