Dynamic decomposition of productivity growth Advantages: Advantages: Explicit measure of contribution of entry and exit Explicit measure of contribution of entry and exit Disadvantages: Disadvantages: Horizon dependent Horizon dependent Experimentation, learning and selection may make especially dynamic economies have a low contribution of net entry at short horizons but high contribution at long horizons Experimentation, learning and selection may make especially dynamic economies have a low contribution of net entry at short horizons but high contribution at long horizons
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