HTTP/2 301 date: Sat, 17 Jan 2026 22:08:41 GMT content-length: 0 location: https://doi.org/10.1016/J.JEP.2012.05.038 server: cloudflare vary: Origin expires: Sun, 18 Jan 2026 22:08:41 GMT permissions-policy: interest-cohort=(),browsing-topics=() cf-cache-status: DYNAMIC nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} strict-transport-security: max-age=31536000; includeSubDomains; preload report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=giouZmt8UvZz2T9YMjFGTnBAPa%2B%2FabfRVxgGR4ZOZkpK05X%2BuQ%2FBcjsKlmhORqe4259RVcp%2FoSmJubMsOWIgAU7Xf7cQFA%3D%3D"}]} cf-ray: 9bf92c311c12d817-BLR alt-svc: h3=":443"; ma=86400 HTTP/2 302 date: Sat, 17 Jan 2026 22:08:41 GMT content-type: text/html;charset=utf-8 location: https://linkinghub.elsevier.com/retrieve/pii/S0378874112003480 server: cloudflare vary: Origin vary: Accept expires: Sat, 17 Jan 2026 23:07:48 GMT link: ; rel=dul permissions-policy: interest-cohort=(),browsing-topics=() cf-cache-status: DYNAMIC nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} strict-transport-security: max-age=31536000; includeSubDomains; preload report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=6%2FUE%2BxwxL05qtP%2FnTv%2F8BG0BF8TgS6V0YI%2FMkOqZG208HG72pIqRqByZsDRxZpaoPFAcVteKYaDBDrAEdMdUhOXdVScl1w%3D%3D"}]} cf-ray: 9bf92c326c93d817-BLR alt-svc: h3=":443"; ma=86400 HTTP/2 200 date: Sat, 17 Jan 2026 22:08:42 GMT content-type: text/html;charset=UTF-8 content-length: 2696 set-cookie: JSESSIONID=65756BA6730CAB0498BBA8B54E38FC8F; Path=/retrieve; Secure; HttpOnly pragma: no-cache cache-control: no-cache, no-store, must-revalidate expires: Thu, 01 Jan 1970 00:00:00 GMT set-cookie: visitorId=vVv4mynzUzR8F3KWQPIf; Max-Age=2147483647; Expires=Fri, 05 Feb 2094 01:22:49 GMT; Path=/ p3p: CP="NON DSP COR CUR ADM DEV TAI PSA PSD OUR IND UNI NAV STA PRE COM INT CNT",policyref="https://linkinghub.elsevier.com/retrieve/static/P3P/IHUB-p3p.xml" tdm-reservation: 1 tdm-policy: https://www.elsevier.com/tdm/tdmrep-policy.json content-language: en-US