Spatial distribution of touristic flows in a gravity model in South America

This is a publication that mentions one or more of the following datasets: (1) NASS Census of Agriculture, (2) RUCC, (3) Household Food Security Survey Module, (4) Food Access Research Atlas, (5) Agricultural Resource Management Survey (ARMS), (6) Food Acquisition and Purchase Surveys, (7) Current Population Survey Food Security Supplement, (8) Farm to School Census, (9) Local Food Marketing Practices Survey, (10) Quarterly Food-at-Home Price Database, (11) Information Resources, Inc. (IRI) InfoScan, (12) Tenure, Ownership, and Transition of Agricultural Land, (13) Transition of Agricultural Land Survey