Mizrahi Jews and Mizrahim is increasingly common in Israel and by the late 1990s 28% of all Israeli children had multi-ethnic parents (up from 14% in the 1950s). It has been claimed that intermarriage does not tend to decrease ethnic differences in socio-economic status, however that does not apply to the children of inter-ethnic marriages. Although social integration is constantly improving, disparities persist. A study conducted by the Israeli Central Bureau of Statistics (ICBS), Mizrahi Jews are less likely to pursue academic studies than Ashkenazi Jews. Israeli-born Ashkenazim are up to twice more likely to study in a university than Israeli-born Mizrahim.
Ethnoreligious group and ancestral ties. The legal assignement what is an ethnoreligious group can differ from the above given definition. Some ethnoreligious groups' identities are reinforced by the experience of living within a larger community as a distinct minority. Ethnoreligious groups can be tied to ethnic nationalism if the ethnoreligious group possesses a historical base in a specific region. In many ethnoreligious groups emphasis is placed upon religious endogamy, and the concurrent discouragement of interfaith marriages or intercourse, as a means of preserving the stability and historical longevity of the community and culture. Prior to the Babylonian exile the Israelites had already