Um mar de heterogeneidade (Parte I)

"Why are some companies more productive than others? And why do certain divisions within those companies perform better than others do? Research has shown that top performers tend to invest more in research and development, adopt better technology, and employ a more educated workforce. [Moi ici: Poderíamos resumir, depois do que temos lido de Felin e Zenger que "Top performers haver better theories"]
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Nicholas A. Bloom [Moi ici: Um velho conhecido deste blogue] ... found that management practices accounted for about one-fifth of the variation in productivity among plants. Management style had the same effect as R&D spending — and twice the impact of technology spending — in explaining productivity differences.
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“There’s an overwhelmingly strong relationship between structured management and performance,” Bloom says.
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The researchers found that plants where managers carefully monitored the manufacturing process, production targets, and employee performance, and used that data to inform decisions, were more successful. Plants where leaders infrequently reviewed performance indicators and targets, and promoted employees based on tenure or connections rather than achievement, fared worse. These links remained strong after controlling for workers’ education level, the age of the plant and firm, and a wide range of other factors. Plants with more structured management performed better than other sites within the same firm, and plants that adopted more of these strategies saw their performance improve over time.
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One takeaway of the study was just how differently plants are managed, even within the same state or industry. In fact, 40% of the total difference in productivity was among plants within the same firm. [Moi ici: Algo sobre o qual escrevemos aqui há milhares de anos] That means that the attributes of a CEO, corporate governance, and company ownership can’t easily explain a large share of the differences in management practices.
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“It’s astounding,” Bloom says. “Some managers monitor huge amounts of data, and others seem to operate entirely by gut instinct.” [Moi ici: Uma classificação que quem anda no terreno nunca faria, é o pão nosso de cada dia]
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“You would think all firms would be well-managed and doing the right thing, but they’re not,” Bloom says. “I guess firms are like people — we all have our faults.” [Moi ici: Come on Bloom, esperava que já estivesses mais calejado nestas cenas]"

Trechos retirados de "How Much Does Management Matter to Productivity?"