SafeGraph の検索結果:

客足からの需要ショックの推計:ビッグデータ手法

…data from SafeGraph to estimate demand shocks in customer-facing establishments across New York City’s retail, service, and health sectors. Recognizing that variations in foot traffic can arise from both unpredictable demand shocks and firm…

対面授業と若者の自殺:授業スケジュールとコロナ禍による学校閉鎖の実証結果

…nonymized SafeGraph smartphone data on elementary and secondary school foot traffic—we find that returning from online to in-person schooling was associated with a 12-to-18 percent increase teen suicides. This result is robust to controls f…

大規模ワクチン接種中の州全体の活動再開:移動、公衆衛生、および経済活動に関するテキサスの実証結果

…lity from SafeGraph, Inc. — and synthetic control and difference-in-differences approaches — we find no evidence that the Texas reopening led to substantial changes in social mobility, including foot traffic at a wide set of business establ…

政治的暴力、リスク回避、および非局地的な感染拡大:米議事堂暴動の実証研究

…data from SafeGraph, Inc. and an event-study approach, we document that on January 6th there was a substantial increase in non-resident smartphone pings in the census block groups including the Ellipse, the National Mall, and the U.S. Capit…

超感染拡大的なイベントによる感染の外部性:スタージス・モーターサイクル・ラリーとCOVID-19

…data from SafeGraph, Inc. we document that (i) smartphone pings from non-residents, and (ii) foot traffic at restaurants and bars, retail establishments, entertainment venues, hotels and campgrounds each rose substantially in the census blo…

トランプ大統領のタルサ集会はCOVID-19を再燃させたか? インドアのイベントとそれを相殺する共同体効果

…data from Safegraph Inc, we show that while non-resident visits to census block groups hosting the Trump event grew by approximately 25 percent, there was no decline in net stay-at-home behavior in Tulsa county, reflecting important offsett…

外出禁止令はCOVID-19と闘う上でどのタイミングで出すのが最善か? 州および実施時期による政策効果の違い

…data from SafeGraph and a difference-in-differences approach, we document that adoption of a SIPO was associated with a 5 to 10 percent increase in the rate at which state residents remained in their homes full-time. Then, using daily state…