The table gives a set of price and cross-price elasticities for four commodities, W, X, Y and Z.
Which pairs of commodities are complements?

W and X; W and Z
2 )
W and Y; X and Y
3 )
W and Z; X and Z
4 )
X and Y; X and Z
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!