Sample surveys are often affected by missing observations and non-response caused by the respondents' refusal or unwillingness to provide the requested information or due to their memory failure. In order to substitute the missing data, a procedure called imputation is applied, which uses the...

Various indicators have been developed to assess the sustainability of countries. However, it remains theoretically and practically unclear whether it is possible to include institutions as an element of the sustainability indes. One of the main challenges is the substantial problem of missing...