This paper evaluates the impact of awarding a second investment grant to the same firm. We implement a Regression Discontinuity Design strategy using a rich firm-level administrative database, which allows us to link applications to grants and their scores to firms’ performance. Our results show that while a single grant has a positive impact on firms’ labour productivity, a second investment grant produces an even stronger effect. A more granular analysis suggests that only micro- and small-sized firms benefit from a single grant, whereas the overall effect of an investment grant booster shot is confirmed for the micro- and small-sized firms. No effects were found on total factor productivity for either the single or the second grant.

本文评估了向同一家公司提供第二笔投资补助的影响。我们使用丰富的公司级管理数据库实施回归不连续性设计策略，这使我们能够将申请与拨款及其分数与公司绩效联系起来。我们的结果表明，虽然单次投资补助对企业的劳动生产率有积极影响，但第二次投资补助会产生更强烈的影响。更精细的分析表明，只有微型和小型企业从单次赠款中受益，而投资赠款助推器的整体效果对于微型和小型企业来说是得到证实的。无论是单次还是第二次资助，都没有发现对全要素生产率有影响。