Results 171 to 180 of about 76,964 (244)

What Are Asset Price Bubbles? A Survey on Definitions of Financial Bubbles

Journal of Economic Surveys, EarlyView.
ABSTRACT Financial bubbles and crashes have repeatedly caused economic turmoil notably but not just during the 2008 financial crisis. However, both in the popular press as well as scientific publications, the meaning of bubble is sometimes unspecified.
Michael Heinrich Baumann, Anja Janischewski   +1 more
wiley   +1 more source

Emergence of Calabi-Yau manifolds in high-precision black-hole scattering. [PDF]

Nature
Driesse M, Jakobsen GU, Klemm A, Mogull G, Nega C, Plefka J, Sauer B, Usovitsch J.   +7 more
europepmc   +1 more source

Demographic Dynamics and International Trade: Stylized Facts and Theoretical Insights

Journal of Economic Surveys, EarlyView.
ABSTRACT Demographic change within a country has economic repercussions for other countries through international transactions. Ongoing shifts in population size and age structure across countries have important implications for international trade, operating through changes in market size, consumption preferences, and labor supply.
Kumuthini Sivathas
wiley   +1 more source

Probing omics data via harmonic persistent homology. [PDF]

Sci Rep
Gurnari D, Guzmán-Sáenz A, Utro F, Bose A, Basu S, Parida L.   +5 more
europepmc   +1 more source

Gesturing While Writing: An Alternate Perspective on Mimetic Prosody

Critical Quarterly, EarlyView.
Paul Magee
wiley   +1 more source

Mental Health Following Silver Splits: A Dyadic Approach to Depressive Symptoms

Journal of Marriage and Family, EarlyView.
ABSTRACT Objective Drawing on the stress generation model, emotional contagion theory, and gender‐as‐relational approach, this study adopts a dyadic approach to mental health following later‐life separation, or “silver splits” (i.e., partnership dissolution at or after age 50), and examines whether depressive symptoms in a partner before separation can
Lisa Jessee, Jeffrey E. Stokes
wiley   +1 more source

Morphogenetic Metals through Topology-Driven Stiffness Changes and Electrochemical Activation. [PDF]

Small
Kim J, Agrawal Y, Hsain Z, Guest JK, Pikul JH.   +4 more
europepmc   +1 more source

The fundamental theorem of asset pricing with and without transaction costs

Mathematical Finance, Volume 35, Issue 2, Page 567-609, April 2025.
Abstract We prove a version of the fundamental theorem of asset pricing (FTAP) in continuous time that is based on the strict no‐arbitrage condition and that is applicable to both frictionless markets and markets with proportional transaction costs. We consider a market with a single risky asset whose ask price process is higher than or equal to its ...
Christoph Kühn
wiley   +1 more source

Delayed dynamics and detoxification in nutrient-phytoplankto-by-product systems: mechanisms driving bloom stability and oscillations. [PDF]

Sci Rep
Baghel RS, Verma S, Khatri N.
europepmc   +1 more source

Robust Bernoulli Mixture Models for Credit Portfolio Risk

Mathematical Finance, EarlyView.
ABSTRACT This paper presents comparison results and establishes risk bounds for credit portfolios within classes of Bernoulli mixture models, assuming conditionally independent defaults that are stochastically increasing in a common risk factor. We provide simple and interpretable conditions on conditional default probabilities that imply a comparison ...
Jonathan Ansari, Eva Lütkebohmert
wiley   +1 more source