Dilek Önkal

ORCID: 0000-0003-3544-5934
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About
Contact & Profiles
Research Areas
  • Forecasting Techniques and Applications
  • Decision-Making and Behavioral Economics
  • Stock Market Forecasting Methods
  • Monetary Policy and Economic Impact
  • Financial Risk and Volatility Modeling
  • Supply Chain and Inventory Management
  • Big Data and Business Intelligence
  • Complex Systems and Decision Making
  • Financial Markets and Investment Strategies
  • Economic and Environmental Valuation
  • Market Dynamics and Volatility
  • Psychology of Moral and Emotional Judgment
  • Advanced Text Analysis Techniques
  • Ethics in Business and Education
  • Advanced Statistical Methods and Models
  • Complex Systems and Time Series Analysis
  • Crime, Illicit Activities, and Governance
  • Consumer Market Behavior and Pricing
  • Risk Perception and Management
  • Risk and Safety Analysis
  • Urban Green Space and Health
  • Behavioral Health and Interventions
  • Advanced Statistical Process Monitoring
  • Outsourcing and Supply Chain Management
  • Social and Intergroup Psychology

Northumbria University
2018-2024

Bilkent University
2006-2020

Bank of England
2019

University of Bradford
2017-2018

Brunel University of London
2009-2012

Decision Sciences (United States)
1994

Forecasting has always been at the forefront of decision making and planning. The uncertainty that surrounds future is both exciting challenging, with individuals organisations seeking to minimise risks maximise utilities. large number forecasting applications calls for a diverse set methods tackle real-life challenges. This article provides non-systematic review theory practice forecasting. We provide an overview wide range theoretical, state-of-the-art models, methods, principles,...

10.1016/j.ijforecast.2021.11.001 article EN cc-by International Journal of Forecasting 2022-01-20

Abstract Decision makers and forecasters often receive advice from different sources including human experts statistical methods. This research examines, in the context of stock price forecasting, how apparent source affects attention that is paid to it when mode delivery identical for both sources. In Study 1, two groups participants were given same advised point interval forecasts. One group was told these a expert other they generated by forecasting method. The then asked adjust forecasts...

10.1002/bdm.637 article EN Journal of Behavioral Decision Making 2009-02-09

10.1016/j.ijforecast.2017.12.006 article EN International Journal of Forecasting 2018-02-19

10.1016/0377-2217(94)90102-3 article EN European Journal of Operational Research 1994-04-01

In view of the prevailing preferences for health and recreation revealed by previous studies as main expected benefits forest visits, research presented herein focuses on whether such expectations would translate into a significant increase in number visits (NFV) following pandemic outbreaks. this context, Slovak nationwide survey forests was conducted, with objective casting light possible changes NFV coping mechanism or behavioral response to discomfort severe restrictions stemming from...

10.3390/ijerph18073469 article EN International Journal of Environmental Research and Public Health 2021-03-26

Abstract In this study we compare the probability judgment accuracy of subjects from United States and Turkey. Three different response modes were employed — numerical probabilities, pie diagrams, odds. The questions in restricted to two‐alternative, general‐knowledge items. observed pattern differences components paralleled those studies that have compared Western Asian subjects. particular, Turkish exhibited better discrimination but worse calibration than their US counterparts. This...

10.1002/bdm.3960080105 article EN Journal of Behavioral Decision Making 1995-03-01

10.1016/j.techfore.2012.08.015 article EN Technological Forecasting and Social Change 2012-09-11

10.1016/j.ijforecast.2018.10.006 article EN International Journal of Forecasting 2018-12-28

10.1016/s0749-5978(03)00058-x article EN Organizational Behavior and Human Decision Processes 2003-06-30

Despite significant attention to strategic partnerships among members of supply chains, there has been limited research in food chains where such can provide a competitive advantage through forecasting practices time-sensitive items volatile business environments. The current paper aims close this gap by examining manufacturers' with retailers, special emphasis on information sharing, integration, and collaborative products chains. Through Partial Least Square (PLS) analysis survey data...

10.1016/j.omega.2018.11.007 article EN cc-by Omega 2018-11-10

The link between subjective well-being (SWB) and forest visits is increasingly driving the development preservation of restorative environments in numerous countries. However, there limited knowledge regarding effect people's preferences for patterns activities on this connection. Here we investigated whether associations exist certain features activities, SWB increase stress reduction response to visits. A nationwide digital survey was administered a representative sample Slovak population....

10.1007/s13280-024-01982-0 article EN cc-by AMBIO 2024-02-07

10.1016/s0169-2070(03)00009-8 article EN International Journal of Forecasting 2004-01-01

This article describes an exploratory investigation of the risk perceptions experts and novices in relation to helicopter operations, under conditions where participants are matched on various characteristics previously found affect perceptions, such as demographic, gender, background factors. The study reports considerable evidence perceptual differences between two participant groups (i.e., expert pilots candidate pilots). We find that experts' relative risks more veridical, terms their...

10.1111/j.0272-4332.2004.00552.x article EN Risk Analysis 2004-12-01

10.1016/j.ijforecast.2012.08.001 article EN International Journal of Forecasting 2012-11-14

Abstract Accepted by: Aris Syntetos Exploring the effects of information uncertainty presents an extensive challenge to decision makers. This study a set behavioural experiments that examine impact incomplete on newsvendor decisions. Findings show orders deviate from normative benchmarks when makers have and this tendency is stronger demand distribution not known. Comparison decisions under against with full no reveal availability price cost brings significantly closer levels underlying...

10.1093/imaman/dpae008 article EN cc-by IMA Journal of Management Mathematics 2024-04-09
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