Tourism spending as well as innovations are characterized by great economic value, which emphasizes the need for their research from a macroeconomic perspective. The objective of the research was to assess the significance of the relations between infrastructure innovations and tourism spending in a sample of developed countries. The analytical processes included macroeconomic indicators expressing tourism spending and innovations. The research sample consisted of 36 countries of the Organization for Economic Co-operation and Development (OECD) (2010–2019). The analytical processes were primarily performed using robust panel regression and cluster analysis. One of the most important findings is that innovations in information and communication technologies (ICTs) were dominant in terms of the effects on tourism visitors' spending. The results showed that innovations in other areas of infrastructure (general infrastructure, ecological sustainability) should not be neglected either. The significant effects of selected innovation indicators showed positive trajectories. As a result, with the strengthening of innovation activities, an increase in tourism spending is expected, which may lead to economic development. It can be assumed that innovation efforts in countries such as Mexico, the Slovak Republic and Turkey could have great potential for improvement. Based on the results, innovations should be considered a part of tourism development strategies, while ICTs play an important role in this issue. It is desirable to support effective tools to increase the number of innovations in tourism. These innovation efforts at the national level may translate into higher tourism spending, which appears to be economically beneficial.

中文翻译：

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发达国家基础设施创新与旅游消费之间的关系：宏观经济视角

旅游支出和创新具有巨大的经济价值，这强调了从宏观经济角度进行研究的必要性。该研究的目的是评估发达国家样本中基础设施创新与旅游支出之间关系的重要性。分析过程包括表示旅游支出和创新的宏观经济指标。研究样本包括经济合作与发展组织 (OECD) 的 36 个国家（2010-2019 年）。分析过程主要使用稳健的面板回归和聚类分析进行。最重要的发现之一是信息和通信技术（ICT）的创新在对旅游游客消费的影响方面占主导地位。结果表明，其他基础设施领域（一般基础设施、生态可持续性）的创新也不容忽视。所选创新指标的显着效果呈现出积极的轨迹。因此，随着创新活动的加强，预计旅游支出会增加，这可能会导致经济发展。可以假设，墨西哥、斯洛伐克共和国和土耳其等国家的创新努力可能具有很大的改进潜力。根据研究结果，创新应被视为旅游发展战略的一部分，而信息通信技术在这一问题上发挥着重要作用。需要支持有效的工具来增加旅游业创新的数量。