Francisco Ruiz González

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We present a tractable model of state-dependent pricing and study price adjustment in response to shocks. We find a distinct asymmetry in this response. Positive shocks to marginal cost generate greater price flexibility than negative shocks of the same magnitude. This asymmetry arises from a strategic linkage between firms in the incentive to adjust(More)
In this chapter, we review the recent literature on conflict and appropriation. Allowing for the possibility of conflict, which amounts to recognizing the possibility that property rights are not perfectly and costlessly enforced, represents a significant departure from the traditional paradigm of economics. The research we emphasize, however, takes an(More)
Plant volatiles mediate host discrimination and host finding in phytophagous insects. Understanding how insects recognize these signals is a current challenge in chemical ecology research. Pear ester, ethyl (E,Z)-2,4-decadienoate, is a powerful, bisexual attractant of codling moth Cydia pomonella (Lepidoptera, Tortricidae) and strongly synergizes the male(More)
In 1997, Australia implemented a gun buyback program that reduced the stock of firearms by around one-fifth (and nearly halved the number of gun-owning households). Using differences across states, we test whether the reduction in firearms availability affected homicide and suicide rates. We find that the buyback led to a drop in the firearm suicide rates(More)
2 IT governance matters because it influences the benefits received from IT investments. Through a combination of practices (such as redesigned business processes and well-designed governance mechanisms) and appropriately matched IT investments, top-performing enterprises generate superior returns on their IT investments. One estimate is up to 40% greater(More)
Olfaction and gustation play critical roles in the life history of insects, mediating vital behaviors such as food, mate and host seeking. Chemosensory receptor proteins, including odorant receptors (ORs), gustatory receptors (GRs) and ionotropic receptors (IRs) function to interface the insect with its chemical environment. Codling moth, Cydia pomonella,(More)
Odorant receptors (ORs) interface animals with airborne chemical signals. They are under strong selection pressure and are therefore highly divergent in different taxa. Yet, some OR orthologs are highly conserved. These ORs may be tuned to odorants of broad importance, across species boundaries. Two widely distributed lepidopteran herbivores, codling moth(More)
Insect olfactory receptors (ORs) are tuned to volatile chemicals, they are expressed in the membrane of olfactory sensory neurons (OSNs), housed in sensilla on the antenna. The olfactory apparatus is under strong selection and ORs are tuned to vital chemical signals, mediating social communication, feeding and oviposition, and avoidance of predators and(More)
Olfaction plays a dominant role in the mate-finding and host selection behaviours of the codling moth (Cydia pomonella), an important pest of apple, pear and walnut orchards worldwide. Antennal transcriptome analysis revealed a number of abundantly expressed genes related to the moth olfactory system, including those encoding the olfactory receptors (ORs)(More)