It's not the euro, stupid! (parte V)

Parte I, parte II, parte III e parte IV.
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Escrevemos, no primeiro postal de 2012:
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"As dificuldades criam, geram, proporcionam, escondem oportunidades.

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"In the middle of difficulty lies opportunity" (Einstein).
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As dificuldades podem ser a chispa que desencadeia a revolução que estava por detrás da rolha, o tsunami preso pelas comportas.
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As crises podem ter o condão de criar a oportunidade de libertar os factores aprisionados a velhas fórmulas, a velhos modelos.
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Claro, os incumbentes de espírito tentarão até à última defender o status-quo... os que não têm nada a perder arriscam e constroem o futuro."

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Bem na linha de "A Trapped Factors Model of Innovation" de Nicholas Bloom, Paul Romer e John Van Reenen, publicado em Outubro de 2010.

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"When will reducing trade barriers against low wage country cause innovation to increase in high wage regions like the US or EU?

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We develop a model where factors of production (such as skilled labor) are used to either produce or innovate. (Moi ici: Exploitation versus exploration) Because of sunk investments (like learning bydoing) they become “trapped” in producing old goods. In this model, trade liberalization with a low wage country reduces the profitability of the old good and so the opportunity cost of innovating falls. (Moi ici: Talvez a escassez de capital que vivemos, a par do colapso na procura interna, reduzam os custos da inovação, reduzam os custos de retirar recursos escassos (capital, gente talentosa, tempo, ...) de apostas que passaram o seu prazo de validade, para novas apostas) Interestingly, the “China shock” is more likely to induce innovation than liberalization with high wage countries, as richer countries will compete in both old and new goods."  (Moi ici: Gente perigosa... De acordo com o que sucedeu a Portugal com a entrada na CEE. Os produtos alemães não vinham competir com os produtos portugueses, os produtos portugueses é que foram competir pelo preço com os produtos alemães naquela questão 

"Para um dado nível de desempenho, quão barato o podem oferecer?")

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"we show, paradoxically, that increased trade with a low-wage trading partner, which drives down prices and forces firms to shut down some lines of production, can also increase the rate of innovation. Instead of increasing the return to innovation, this kind of trade effect reduces the opportunity cost of the resources used to innovate." (Moi ici: evolução dos euros produzidos por trabalhador na indústria do calçado e na do têxtil e vestuário)

"workers acquire human capital that is specific to a firm and the goods that it produces. This makes the human capital used by each firm a “trapped factor”. If a factor of production is trapped in a firm, a trade shock that reduces the value of this factor in specific lines of production can encourage the firm to reallocate this factor to other activities including innovation. Because the human capital is firm-specific, the shock reduces the opportunity cost of the human capital that it uses without having any effect on the cost of human capital to other firms.

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The nature of the market failure is that skilled workers should specialize in innovation but they do not because the private incentive to innovate is below the social incentive. Their product specific skills cause them to be “trapped factors” from planner’s point of view.

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we describe the predictions of this theory for innovation in a high wage country under two types of trade shock: a “China shock” (liberalization of goods with a low wage country) and an “OECD shock” (liberalization of trade with a high wage country). We show that the positive effect of liberalization holds only for the China shock."

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E das Conclusões:

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"In this paper we have considered a “trapped factor” model where some factors of production due to sunk costs are partially irrerversible and are therefore “trapped” in a firm (e.g. when there is firm-specific human capital from learning by doing). We show that in such a model that when a rich OECD country reduces trade barriers with a low wage country like China this can act to speed up the rate of innovation and therefore economic growth in the OECD country. This is because the trapped factor will be used (in part) to produce old goods and this sets the opportunity cost of innovation. A China shock reduces the profitability of producing these old low tech goods and therefore reduces the opportunity cost of innovation. Abstracting from market size effects, integration with a high wage OECD country does not have these pro-innovation effects.

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First, opening up to trade with China appears to have generated faster technical change in firms in richer countries (like Europe and the US) not simply from reallocation but also through within firm innovation. Secondly, the effects of opening up to trade with countries like China appears to have stronger effects on innovation than trade integration with other rich countries."

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Por que é que esse choque em Portugal foi tão violento, levando à morte de tantas empresas?

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Porque a maioria das empresas portuguesas competia no mesmo campeonato da China, usando como vantagem competitiva os preços baixos, ou seja, muitas empresas estavam longe da fronteira do seu sector:

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"It is important to understand the factors that infl‡uence a country’s transition from the production of low-quality to high-quality products since the production of high-quality goods is often viewed as a pre-condition for export success and, ultimately, for economic development. In this paper, we provide the fi…rst evidence that countries ’import tariffs affect the rate at which they upgrade the quality of their products. We analyze the effect of import competition on quality upgrading using highly disaggregated export data to the U.S. from fi…fty-six countries in 10,000 products using a novel approach to measure quality. As predicted by recent distance to the frontier models, we fi…nd that lower tariffs are associated with quality upgrading for products close to the world quality frontier, whereas lower tariffs discourage quality upgrading for products distant from the frontier."
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"we show that there is a signi…cant relationship between import tariffs and quality upgrading. The direction of the effect depends importantly on how far the product is from the world quality frontier. For products close to the frontier, low tariffs encourage quality upgrading whereas for products distant from the frontier, low tariffs have the opposite effect, discouraging quality upgrading. (Moi ici: O exemplo que nos vem do Brasil!)
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Our findings support the theories by Aghion and Howitt (2005) and ABGHP (2009) that highlight two forces: one, the “escape-competition ”effect that induces a fi…rm close to the frontier to invest in quality upgrading in order to survive competition from potential new entrants; and two, the “appropriability” effect that discourages …firms distant from the frontier from investing in quality upgrading because they are too far away from the frontier to be able to compete with potential new entrants. Our results show that support for these theories is strongest in countries with good business climates, a fi…nding that is perhaps not surprising given that lower tariffs are unlikely to alter signi…cantly the competitive environments in countries that face many other restrictions on competition."
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Trechos retirados de "Import Competition and Quality Upgrading" de Mary Amitiy e Amit K. Khandelwalz, publicado na versão final em Novembro de 2011.
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Ah! E para os que acham que o problema é do euro... recomendo a figura 2 na página 24.