<![CDATA[Global tourism equities may respond differently to public-health, geopolitical, and digital infrastructure shocks because operating models transmit disruption through distinct channels. This paper presents a prespecified, cross-market event-study protocol covering airlines, hotel groups, cruise operators, and online travel intermediaries around four information milestones: the WHO emergency declaration in January 2020, the invasion of Ukraine in February 2022, the Israel–Gaza conflict outbreak in October 2023, and the global IT outage in July 2024. The proposed analysis uses publicly accessible daily security prices, local-market benchmarks, exchange-specific event timing, market-model abnormal returns, and dependence-aware inference. It also specifies subsector and regional contrasts, falsification tests, and source-audit procedures. The contribution is a transparent business-model exposure–transmission framework and a reproducibility-oriented research design, not an estimate of completed crisis effects. As no audited price panel or calculated abnormal returns accompany the manuscript, empirical results and tests of the hypotheses remain pending. The paper must therefore be assessed as a research protocol rather than a completed empirical event study.]]>
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