00505nam a22002177a 4500003000400000020001800004020001500022082001600037100002000053245003300073250000600106260003500112300001700147534000900164546001200173650002200185650002300207650002000230650001800250700001900268OSt  a9781111970185  a1111970181  a339bMEL/PR  aMelvin, Michael  aPrinciples of macroeconomics  a9  aCanadabCengage Learningc2013  axxxii, 515p.  n2011  aEnglish  aDemand and supply  aWage differentials  aGlobal business  aLabour market  aBoyes, William