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This paper links existence of the pyramidal ownership structure to tunneling and propping. Tunneling refers to a transfer of resources from a lower-level firm to a higher-level firm in the pyramidal chain, whereas propping concerns a transfer in the opposite direction intended to bail out the receiving firm from bankruptcy. We show that tunneling alone cannot justify the pyramidal structure unless outside investors are myopic, since rational outside investors anticipate tunneling and adjust their willingness-to-pay for the firm's shares accordingly. With propping, however, they may be willing to be expropriated in exchange for implicit insurance against bankruptcy.

This paper provides an empirical explanation to the observed disparity in cross-border merger and acquisition inflows to developing and developed countries over the past two decades. We show two main results. First, the disparity can be attributed to the difference in the quality of institutions between the two groups of countries. Second, the gain from reforming institutions in developing countries is smaller than that in developed countries. These findings suggest that, with the current speed of institutional reforms in some developing countries, the disparity in cross-border merger and acquisition inflows is likely to persist.

With the COVID-19 pandemic still raging and the vaccination program still rolling out, there continues to be an immediate need for public health officials to better understand the mechanisms behind the deep and perpetual divide over face masks in America. Using a random sample of Americans (N = 615), following a pre-registered experimental design and analysis plan, we first demonstrated that mask wearers were not innately more cooperative as individuals than non-mask wearers in the Prisoners’ Dilemma (PD) game when information about their own and the other person’s mask usage was not salient. However, we found strong evidence of in-group favouritism among both mask and non-mask wearers when information about the other partner’s mask usage was known. Non-mask wearers were 23 percentage points less likely to cooperate than mask wearers when facing a mask-wearing partner, and 26 percentage points more likely to cooperate than mask wearers when facing a non-mask-wearing partner. Our analysis suggests social identity effects as the primary reason behind people’s decision whether to wear face masks during the pandemic.

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