socio-economist
/ˌsəʊʃ(ɪ)əʊˌɪˈkɒnəmɪst/ /ˌsəʊsɪəʊˌɪˈkɒnəmɪst/noun
An expert in or student of socio-economics.
Origin
1920s; earliest use found in American Journal of Sociology. From socio- + economist, after either socio-economic or socio-economics.