In this paper, Dr. Eyal Tzur examines the justifications for full or partial government ownership of companies in Israel as of 2017, discussing the concept broadly and detailing the specifics of Israeli government ownership of companies.

The paper closely reviews 39 companies, recommending at the end for each whether to retain the status quo, dissolve the company, merge it with another or with an existing public body, or reduce government ownership.

See the English summary here.
For the full Hebrew paper.