In the aggregate freight demand modeling literature, temporal assignment (annual to daily flows) is often oversimplified or neglected altogether. Unlike passenger flows, freight flows over the course of a year are not uniform and can vary significantly as the result of trade-offs between inventory and transportation cost management. We introduce the first temporal assignment model that explicit...

In an aggregate signature scheme, different signatures from different signers on different messages can be aggregated to reduce the cost of computation and communication. Using an identity-based signature method, any one can verify signatures by the identity of the signer without transmitting certificates. Currently, in most identity-based aggregate signature schemes, aggregate signature verifi...

In recent years demolished concrete waste handling and management is the new primary challenging issue faced by the countries all over the world. It is very challenging and hectic problem that has to be tackled in an indigenous manner, it is desirable to completely recycle demolished concrete waste in order to protect natural resources and reduce environmental pollution. In this research paper ...

This paper assesses the determinants of European outward and inward processing trade. Thereby, it distinguishes between size, relative factor endowment, (other) cost factors and infrastructure variables. Using a large panel of bilateral processing trade flows of the EU12 countries at the aggregate level over the period 1988-1999, we find that infrastructure variables, relative factor endowments...

Introduction A principal reason for investing in case mix as a tool for hospital administration is that it allows the value of production embodied in an episode of care to be different from the cost of that episode. Useful case-mix evaluation retains a statistical nexus between value and cost of production. The value placed on a hospital system’s output should fit with the aggregate cost of the...

This paper studies the dynamics of durable and nondurable consumption under two alternative assumptions about information updating by households — rational inattention and sticky expectations. We find that sticky expectations due to a fixed cost does a better job of reproducing the infrequent adjustments at the individual level and the slow adjustments at the aggregate level. We then show that ...

Aggregate signature can combine n signatures on n messages from n users into single signature, and the verifier should be convinced by the aggregate signature that n users indeed sign n messages. Since aggregate signature can greatly reduce the length of total signature and the cost of verification, it is widely used in environments with low bandwidth communication, low storage and low computab...

Aggregate production planning (APP) determines the optimal production plan for the medium term planning horizon. The purpose of the APP is effective utilization of existing capacities through facing the fluctuations in demand. Recently, fuzzy approaches have been applied for APP focusing on vague nature of cost parameters. Considering the importance of coping with customer demand in different p...

This article develops an integrated JIT lot-splitting model for a single supplier and a single buyer. In this model we consider reduction of setup time, and the optimal lot size are obtained due to reduced setup time in the context of joint optimization for both buyer and supplier, under deterministic condition with a single product. Two cases are discussed: Single Delivery (SD) case, and Multi...