If Using BLS weights, can compute an estimate of the aggregate US population demand function for postage from the household sector as the weighted sum of sample household level-demand functions Can compute own-price and cross-price elasticities of aggregate household demand for postage using this aggregate demand function., can we conclude that "The demand for postage can be calculated by using BLS weights."?
Possible answers: 1). yes 2). it is not possible to tell 3). no
1).