Corrado Luisa, Grassi Stefano, Paolillo Aldo, Silgado-Gómez Edgar
Department of Economics and Finance, University of Rome 'Tor Vergata', Rome 00133, Italy.
Faculty of Economics and Management, Free University of Bozen-Bolzano, Bolzano 39100, Italy.
Proc Natl Acad Sci U S A. 2023 Oct 24;120(43):e2221342120. doi: 10.1073/pnas.2221342120. Epub 2023 Oct 16.
The resurgence in space activities we are witnessing may provide opportunities for new technologies to generate potential spillovers to the real economy. To address this view, we propose a macroeconomic model with endogenous growth and a space sector. The model describes the relationship between space investment and technological spillovers, which support persistent economic growth. Our estimates indicate that space activities provide growth spillovers that peak from the late 1960s to the early 1980s. Recent space activities have a much lower economic impact. Finally, extensive experiments quantify the economic relevance of our results.
我们正在见证的太空活动的复兴可能为新技术创造向实体经济产生潜在溢出效应的机会。为了探讨这一观点,我们提出了一个具有内生增长和太空部门的宏观经济模型。该模型描述了太空投资与技术溢出之间的关系,这些溢出效应支撑着持续的经济增长。我们的估计表明,太空活动带来的增长溢出效应在20世纪60年代末至80年代初达到峰值。近期的太空活动对经济的影响要低得多。最后,大量实验量化了我们研究结果的经济相关性。