Econ Papers Daily / 期刊论文
得克萨斯州大满贯
The Texas Grand Slam
摘要
Abstract Red tides, harmful algal blooms caused by Karenia brevis , disrupt marine ecosystems and coastal economies. We estimate their effects on Texas marine recreational fishing demand using reduced-form and travel cost models. We find that red tides reduce site-level fishing activity by 15-33%, with effects increasing in bloom severity and concentrated within two weeks of exposure. Anglers are willing to pay $7-$10 per trip to avoid moderate- and high-severity blooms and substitute toward sites with offshore access during low-severity events. Estimated annual welfare losses under simulated statewide bloom conditions range from $267,000-$767,000 based on site-choice responses among participating anglers.
中文摘要
摘要 由短凯伦藻引发的有害藻华——赤潮，会破坏海洋生态系统和沿海经济。我们使用简约式模型和旅行成本模型估计了赤潮对得克萨斯州海洋休闲垂钓需求的影响。我们发现，赤潮使站点层面的垂钓活动减少15%至33%，其影响随藻华严重程度上升而加剧，并集中在暴露后的两周内。垂钓者愿意为每次出行支付7至10美元，以避免中等和高严重程度的藻华；在低严重程度事件期间，他们则会转向具有近海通道的站点。根据参与垂钓者在站点选择上的响应，在模拟的全州藻华条件下，估计年度福利损失范围为267,000至767,000美元。