It is known that deviating from the one-share–one-vote principle through the issue of non-voting stock increases the value of outsiders' voting rights. We argue that the creation of a business group is another way to deviate from one-share–one-vote and we show that it produces a larger voting-share premium in holding companies. As a consequence, having both subsidiaries and non-voting stock produces a multiplier effect on the voting premium. The puzzling size of the premium in Italy was never related to the interaction of pyramiding and non-voting stock. Our empirical study confirms that the premium is larger for holding companies issuing non-voting stock than for similar operating companies without non-voting equity.

This paper shows that share issue privatization (SIP) is a major source of domestic stock market liquidity in 19 developed economies. Particularly, privatization IPOs have a negative effect on the price impact – measured by the ratio of the absolute return on the market index to turnover. This result is robust to the inclusion of controls for other observable and unobservable factors, having also considered the endogenous nature of the decision to privatize. We also provide evidence of a positive spillover of SIP on the liquidity of private companies. This cross-asset externality is one implication of liquidity theories emphasizing the improved risk diversification opportunities and risk sharing brought about by privatization. This externality stems from both domestic privatization IPOs and cross-listings.