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1
Aggregate Advertising Expenditure in the U.S. Economy: What..
NBER working paper series, no. w28161
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5
Economic Factors Underlying the Unbundling of Advertising A..
NBER working paper series, no. w14345
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6
Anomalies in Estimates of Cross-Price Elasticities for Mark..
NBER working paper series, no. w12756
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8
Scale and Scope Economies in the Global Advertising and Mar..
NBER working paper series, no. w9965
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14
Intermedia Substitutability and Market Demand by National A..
NBER working paper series, no. w8624
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15
Costs, Institutional Mobility Barriers, and Market Structur..
NBER working paper series, no. w4826