default author photo

Svetlozar T. Rachev

Texas Tech University

2500 Broadway

Lubbock, TX 79409

United States

SCHOLARLY PAPERS

18

DOWNLOADS

2,458

TOTAL CITATIONS

9

Scholarly Papers (18)

1.

Behavioral Finance - Asset Prices Predictability, Equity Premium Puzzle, Volatility Puzzle: The Rational Finance Approach

Number of pages: 30 Posted: 02 Mar 2020
Texas Tech University, Charles Schwab, Ludwig Maximilian University of Munich (LMU), Johns Hopkins University - Carey Business School and Kean University
Downloads 440 (164,746)

Abstract:

Loading...

Behavioral Finance, Rational Finance

2.

Equity Premium Puzzle or Faulty Economic Modelling?

Number of pages: 13 Posted: 04 Mar 2020
Kean University, Charles Schwab, Johns Hopkins University - Carey Business School and Texas Tech University
Downloads 246 (311,323)
Citation 2

Abstract:

Loading...

Rational Finance, Equity Premium Puzzle, Normal compound inverse Gaussian distribution

3.

Forecasting Flash Crashes with Subordinated Lévy Processes

Number of pages: 20 Posted: 03 Jun 2025
North Dakota State University - College of Business, Kean University, Texas Tech University, Texas Tech University and Johns Hopkins University - Carey Business School
Downloads 168 (449,518)

Abstract:

Loading...

Flash Crashes, Subordinated Lévy Processes, Early Warning Indicators

4.

Multiple Subordinated Modeling of Asset Returns: Implications for Option Pricing

Number of pages: 36 Posted: 09 Apr 2020
Abootaleb Shirvani, Svetlozar T. Rachev and Frank J. Fabozzi
Kean University, Texas Tech University and Johns Hopkins University - Carey Business School
Downloads 155 (480,208)

Abstract:

Loading...

Behavioral finance; dynamic asset pricing models; Levy-stable distribution; normal compound inverse Gaussian distribution; variance-gamma-gamma distribution

5.

A New Set of Financial Instruments

Number of pages: 20 Posted: 26 Nov 2019
Kean University, Charles Schwab, Texas Tech University and Johns Hopkins University - Carey Business School
Downloads 150 (494,203)
Citation 4

Abstract:

Loading...

option pricing, hedging, Merton's jump diffusion model, stochastic volatility model, tail-loss ratio risk measure

6.

Advancing Portfolio Optimization: Adaptive Minimum-Variance Portfolios and Minimum Risk Rate Frameworks

Number of pages: 37 Posted: 24 Feb 2025 Last Revised: 10 Jan 2026
Texas Tech University, Kean University, North Dakota State University - College of Business, Texas Tech University and Johns Hopkins University - Carey Business School
Downloads 146 (518,102)
Citation 2

Abstract:

Loading...

Adaptive portfolio optimization, Shadow risk-free rate, Long-range dependence, Computational asset pricing

7.

A Unified Financial Index for Geopolitical and Environmental Risks: Construction, Risk Management, and Derivative Applications

Number of pages: 20 Posted: 16 Jun 2025
North Dakota State University - College of Business, Kean University, Texas Tech University, Texas Tech University and Johns Hopkins University - Carey Business School
Downloads 145 (508,926)

Abstract:

Loading...

Geopolitical Risk, Climate Policy Uncertainty, GGERI Index, Tail Risk Spillovers, Systemic Financial Risk

8.

Winners vs. Losers: Momentum-based Strategies with Intertemporal Choice for ESG Portfolios

Number of pages: 37 Posted: 30 May 2025 Last Revised: 16 Sep 2025
Texas Tech University, Kean University, North Dakota State University - College of Business, Texas Tech University and Johns Hopkins University - Carey Business School
Downloads 143 (518,102)

Abstract:

Loading...

Reward-Risk Ratios, Stock Selection Criteria, Portfolio Rebalancing, State-Dependent Optimal Allocation, ESG Policy Regimes

9.

Beyond the Traditional VIX: A Novel Approach to Identifying Uncertainty Shocks in Financial Markets

Number of pages: 19 Posted: 04 Nov 2024 Last Revised: 05 Nov 2024
Ayush Jha, Abootaleb Shirvani, Svetlozar T. Rachev and Frank J. Fabozzi
Texas Tech University, Kean University, Texas Tech University and Johns Hopkins University - Carey Business School
Downloads 143 (518,102)
Citation 1

Abstract:

Loading...

Asset Pricing, Volatility, Long Memory, Uncertainty Shocks, Financial Market Modeling

10.

Environmental Indices in Global Markets: Innovating Financial Tools for Sustainable Investments

Number of pages: 38 Posted: 16 Jan 2024
Texas Tech University - Department of Mathematics and Statistics, Kean University, Texas Tech University and Johns Hopkins University - Carey Business School
Downloads 137 (547,695)

Abstract:

Loading...

global dollar environmental financial index; dollar environmental financial index; environmental, social, and governance factors; green gross domestic product; environmental sustainability index; portfolio theory

11.

Greed and Fear in Investors: Dislocation via Financial Market Views

Number of pages: 50 Posted: 07 Aug 2025
Texas Tech University, Kean University, North Dakota State University - College of Business, Texas Tech University and Johns Hopkins University - Carey Business School
Downloads 131 (561,789)

Abstract:

Loading...

Probability Weighting Functions, Rational Dynamic Asset Pricing Theory, Behavioral Finance, Equity Premium Puzzle

12.

Misspecified Learning or Rational Choice? Evidence from Financial Markets

Number of pages: 57 Posted: 11 Nov 2025 Last Revised: 23 May 2026
Ayush Jha, Freddie Papazyan and Svetlozar T. Rachev
Texas Tech University, Texas Tech University and Texas Tech University
Downloads 89 (753,595)

Abstract:

Loading...

Misspecified Learning, Probability-Weighting Function, Belief Switching Thresholds, Belief Discontinuities

13.

Multivariate Affine GARCH with Heavy Tails: A Unified Framework for Portfolio Optimization and Option Valuation

Number of pages: 32 Posted: 19 May 2025
Texas Tech University, Kean University, North Dakota State University - College of Business, Texas Tech University and Johns Hopkins University - Carey Business School
Downloads 89 (765,566)

Abstract:

Loading...

Option Pricing, Multivariate Affine GARCH, Portfolio Optimization, Wealth Accumulation. JEL Codes: G10, G11, G13, G17

14.

Behavioral Probability Weighting and Portfolio Optimization under Semi-Heavy Tails

Number of pages: 22 Posted: 16 Jul 2025 Last Revised: 27 Jul 2025
Texas Tech University, Kean University, North Dakota State University - College of Business, Texas Tech University and Johns Hopkins University - Carey Business School
Downloads 87 (765,566)

Abstract:

Loading...

Portfolio Optimization, Portfolio Forecasts, Probability Weighting Function, Tangent Portfolios, Distributional Laws

15.

Pricing the Yield Curve with Global FX Stress: AFNS Evidence on Maturity Loadings and Inversions

Number of pages: 45 Posted: 08 Sep 2025
Ayush Jha, Ali Jaffri, Svetlozar T. Rachev and Frank J. Fabozzi
Texas Tech University, North Dakota State University - College of Business, Texas Tech University and Johns Hopkins University - Carey Business School
Downloads 74 (867,774)

Abstract:

Loading...

Global FX Stress Index, Dollar Funding Pressue, Affine Term Structure Model, Yield Curve Inversions

16.

Deciphering the Taylor Law: A Novel Interpretation of Variance and Mean Relations in Population Dynamics

Number of pages: 8 Posted: 13 Jan 2024
Lev B. Klebanov, Svetlozar T. Rachev and Abootaleb Shirvani
Czech Technical University, Texas Tech University and Kean University
Downloads 72 (867,774)

Abstract:

Loading...

17.

Option Pricing under Stochastic Volatility and Jumps: A PIDE Framework with Empirical Evidence

Number of pages: 33 Posted: 12 Jun 2026
Texas Tech University, Texas Tech University, Texas Tech University, Texas Tech University, Texas Tech University and Johns Hopkins University - Carey Business School
Downloads 23

Abstract:

Loading...

Stochastic Volatility, Jump-Diffusion, Partial Integro-Differential Equations, Option Pricing, CGMY, L´Evy Measure

18.

Pre-Trade Uncertainty and the Subordinated Uncertainty Index

Number of pages: 46 Posted: 20 Apr 2026
Ayush Jha, Ali Jaffri, Svetlozar T. Rachev and Frank J. Fabozzi
Texas Tech University, North Dakota State University - College of Business, Texas Tech University and Johns Hopkins University - Carey Business School
Downloads 20 (1,459,862)

Abstract:

Loading...

Pre-Trade Uncertainty, Subordinated Lévy Processes, Stochastic Business Time, Limit Order Book, Bid-Ask Decomposition