Results 31 to 40 of about 443,162 (297)

Reinforcement Learning Model for Optimizing Bid Price and Service Quality in Crowdshipping

Systems
Crowdshipping establishes a short-term connection between shippers and individual carriers, bridging the service requirements in last-mile logistics. From the perspective of a carrier operating multiple vehicles, this study considers the challenge of ...
Daiki Min, Seokgi Lee, Yuncheol Kang
doaj   +1 more source

Secure first-price sealed-bid auction scheme

EURASIP Journal on Information Security, 2017
In modern times, people have paid more attention to their private information. The data confidentiality is very important in many economic aspects. In this paper, we proposed a secure auction system, in which the bids will not be revealed, and no one can
Zhen Guo, Yu Fu, Chunjie Cao
doaj   +1 more source

PENGARUH VOLATILITAS HARGA SAHAM, FREKUENSI PERDAGANGAN DAN RETURN SAHAM TERHADAP BID-ASK SPREAD PADA PERUSAHAAN YANG TERDAFTAR DI INDEKS LQ45 PERIODE 2019 – 2022

Journal of Management Small and Medium Enterprises (SME's)
The objective of this study is to determine the impact of variable volatility of stock price, trading frequency, and share returns on bid-ask spreads either partially or simultaneously for LQ45 index member companies.
Mohamad Husni, Muhammad Angga Anggriawan, Nur Wahyuni   +2 more
doaj   +1 more source

Changing Characteristics of Pharmaceutical Prices in China Under Centralized Procurement Policy: A Multi-Intervention Interrupted Time Series

Frontiers in Pharmacology, 2022
Objective: National centralized drug procurement organized by the Chinese government currently represents the largest group purchasing organization worldwide, to establish a reasonable price formation mechanism.
Hongfei Long, Hongfei Long, Ying Yang, Ying Yang, Xin Geng, Zongfu Mao, Zongfu Mao, Zongfu Mao, Zhenhua Mao   +8 more
doaj   +1 more source

Survival Outcomes and Complications Among Canadian Children With Retinoblastoma: A Population‐Based Report From CYP‐C

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Purpose Retinoblastoma (RB) is the most common pediatric ocular cancer, yet population‐based data on survival and risk factors remain limited. This study aimed to describe survival in a large national RB cohort and identify predictors of death and complications.
Samuel Sassine, Ofélie Trudeau‐Ferrin, Caroline Laverdière, Patrick Hamel, Rosanne Superstein, Bénédicte Koukoui, Carole Provost, Paul C. Nathan, Vijay Ramaswamy, Furqan Shaikh, Brenda Gallie, Ashwin Mallipatna, Stephanie Kletke, Helen Dimaras, Hallie Coltin   +14 more
wiley   +1 more source

The Relationship between Quality of the External Auditor and Bid-Ask Spread in Tehran Stock Exchange [PDF]

بررسی‌های حسابداری و حسابرسی, 2013
The purpose of this research in to examine the relationship between Bid-ask spread and quality of the external audit in the Iran capital market. To achieve this goal we have considered two hypothesis including audit big firm and audit firm tenure and ...
Esfandiar Malekian Kalle Basti, Mahmood Moein Aldin, Ensieh Kalantari   +2 more
doaj   +1 more source

Berth Allocation at Passenger Terminals Using Auctions

Journal of Marine Science and Engineering, 2022
In this paper, we compare a multi-round, second-price, sealed-bid bundle auction and a single-item, sequential, second-price, sealed-bid auction for berth slot leasing for vessels (roll-on/roll-off passenger vessels and/or cruise ships) at a public ...
Dimitrios K. Giampouranis, Mihalis Golias, Sotirios Theofanis, Maria Boile   +3 more
doaj   +1 more source

The Fate (Outcome) of Clinically Apparent Single Lesion and Oligofocal Nephroblastomatosis Treated According to SIOP/GPOH Protocols for Wilms Tumor

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background The management of clinically apparent single lesions or oligofocal nephroblastomatosis, a facultative precursor of nephroblastoma, remains debated. Methods We retrospectively analyzed 37 patients with clinically apparent single or oligofocal nephroblastomatosis (two to three lesions per kidney) among 2347 patients registered between
Nils Welter, Jens‐Peter Schenk, Jenny Wegert, Manfred Gessler, Leo Kager, Stefan Wagenpfeil, Marina Müller, Jean‐Michel Wolff, Joerg Fuchs, Steven W. Warmann, Clemens‐Magnus Meier, Jochen Hubertus, Christian Rübe, Christian Vokuhl, Patrick Melchior, Lena Tschirner, Norbert Graf, Rhoikos Furtwängler   +17 more
wiley   +1 more source

Evaluation of the Administrative Phase-Out of Coal Power Plants on the Italian Electricity Market

Energies, 2020
Although decarbonisation is one of the most important macro-trends of this century, electricity generation from coal power plants is still broadly common. The main goal of this study is to evaluate the impact of a premature coal power plants phase-out on
Michele Fiorelli, Dogan Keles, Francesco Montana, Giovanni Lorenzo Restifo, Eleonora Riva Sanseverino, Gaetano Zizzo   +5 more
doaj   +1 more source