Cash Usage Database

This file provides a dataset on cash usage in consumer transactions. The dataset is a unique compilation derived from payment diary studies and other assessments of cash usage conducted across countries. The dataset is made publicly available to support research, policymaking, education, and professional practice. If you use this dataset, please acknowledge the original sources by citing the paper referenced below.本数据集涵盖消费者交易中的现金使用相关数据。其为独特汇编成果，源自多国开展的支付日记研究及其他现金使用情况评估项目。本数据集已面向公众开放，旨在为学术研究、政策制定、教育教学及专业实践提供支撑。若您在研究中使用本数据集，请通过引用下述论文的方式注明原始数据来源。