“…Researchers can obtain fine‐grained, comparative data on national immigrant policies—from number of hours of a language class to the cost of tests—over a small (Hernes, ) or medium‐sized sample (Goodman, ). Policies can also be collected at the subnational level (Kraal & Vertovec, ), including across cantons (Manatschal & Stadelmann‐Steffen, , ), regions (Strazzari, ), and cities (Caponio, ). Further still, applicable rules exist in different policy domains, including establishing legal status (Borevi, Jensen, & Mouritsen, ; Goodman, ), family reunification (Bech, Borevi, & Mouritsen, ; Bonjour, ) but also welfare (Boucher, ), and other social policies (Baldi & Goodman, ).…”