The scientific legacy of Zvi Griliches’ contribution to the economic analysis of the diffusion of technological innovations is the subject of this paper. It begins with an examination of the relationship between Griliches’ pioneering empirical work on the introduction and adoption of hybrid corn and the subsequent development of theoretical models and econometric research on the microeconomic d...

It was observed by Veltman a long time ago that a special value for the Higgs boson mass could lead to a cancellation of the quadratically divergent corrections to the Higgs boson’s squared mass which appear at one loop. We present a class of low energy models that allow to soften the naturalness problem in the sense that there can be a cancellation of radiative corrections appearing at one loo...

The phenomenology of the Randall-Sundrum model of localized gravity is analyzed in detail for the two scenarios where the Standard Model (SM) gauge and matter fields are either confined to a TeV scale 3-brane or may propagate in a slice of five dimensional anti-deSitter space. In the latter instance, we derive the interactions of the graviton, gauge, and fermion Kaluza-Klein (KK) states. The re...

Oceans and seas represent over 70% of the earth’s surface. Furthermore, living aquaticresources can provide a significant contribution to food, energy, and biobased products. However, marine ecosystems are subject to increasing pressures and competing usages, resulting from resources over-exploitation and pollution. In order to produce efficient marine management plans, it is essential to consi...

This paper examines how democracy affects long-run growth by influencing the quality of governance. Empirical evidence is presented showing that the quality of governance is substantially higher in democratic countries. A general-equilibrium, endogenous growth model is then built to show how a governance-improving democracy raises growth. In this model, stronger democratic institutions influenc...

The models of large extra compact dimensions, as suggested by Arkani-Hamed, Dimopoulos and Dvali, predict exciting phenomenological consequences with gravitational interactions becoming strong at the TeV scale. Such theories can be tested at the existing and future colliders. In this paper, we study the contribution of virtual KaluzaKlein excitations in the process e+e− → tt̄H at future linear c...

A set D ⊆ V (G) is a total dominating set of G if for every vertex v ∈ V (G) there exists a vertex u ∈ D such that u and v are adjacent. A total dominating set of G of minimum cardinality is called a γt(G)set. For each vertex v ∈ V (G), we define the total domination value of v, TDV (v), to be the number of γt(G)-sets to which v belongs. This definition gives rise to a local study of total domi...

the aims of this study were to assess the energy and economic flows of biodiesel production from olive pomace oil using transesterification method with ultrasound waves. for this purpose biodiesel production from this feedstock were examined through a life-cycle process with considering five main stages of agricultural production, transportation, olive oil extraction, pomace oil extraction and ...