iiinova — where your digital self keeps evolving

Mykola Ryzhenkov 🇺🇦 @mykolaryzhenkov.bsky.social · 05/10/2026

This week, I'm visiting BI Norwegian Business School to work with Andrii Tarasenko on new and ongoing research.

Mykola Ryzhenkov 🇺🇦 @mykolaryzhenkov.bsky.social · 21/09/2026

New paper with Andrii Tarasenko: how do credit constraints and variable markups jointly shape effects of unilateral trade liberalization? In a counterfactual like the EU's 2014 preferences for Ukraine: welfare rises, K misallocation worsens, and credit access magnifies gains. 📃 shortlink.win/1EkHO

shortlink.win

Financial Frictions, Markups, and Unilateral Trade Liberalization

We study how earnings-based credit constraints and variable markups shape effects of a unilateral trade liberalization. We develop an open economy dynamic heter

000

Reposted by Mykola Ryzhenkov 🇺🇦

wiiw @wiiw.ac.at · 03/09/2026

29 September, 2 pm CET: International Trade when Ports are Blocked: The Cost of Russia’s Blockade of Ukrainian Ports. Lecture by economist @mykolaryzhenkov.bsky.social, hosted by @centrefiw.bsky.social & @mghodsi.bsky.social. More: ➡️ shorturl.at/M7UBr Register:➡️ us06web.zoom.us/meeting/regi...

shorturl.at

International Trade when Ports are Blocked: The Cost of Russia’s Blockade of Ukrainian Ports (event)

Mykola Ryzhenkov is a Postdoctoral Researcher at Osnabrück University specializing in international trade and geoeconomics.

034

Mykola Ryzhenkov 🇺🇦 @mykolaryzhenkov.bsky.social · 28/07/2026

our paper "Foreign Exchange Trading During World Cup Events (or I will watch the game while you trade)" (with M. Melvin, L. Mergner, F. Westermann) is now online: onlinelibrary.wiley.com/doi/10.1111/...

020

Mykola Ryzhenkov 🇺🇦 @mykolaryzhenkov.bsky.social · 18/06/2026

Got acceptance letter from the Journal of Money, Credit and Banking. Nice!

000

Mykola Ryzhenkov 🇺🇦 @mykolaryzhenkov.bsky.social · 11/09/2025

I look forward to presenting tomorrow at the 26th European Trade Study Group Annual Conference in Milan! #ETSG

010

Mykola Ryzhenkov 🇺🇦 @mykolaryzhenkov.bsky.social · 24/08/2025

On my way to #EEA2025 Bordeaux, where I will present on Tuesday a joint project with @shepotylo.bsky.social “International Trade when Ports are Blocked”. I will also remotely present this work at the Economic Modelling 2025 conference in Dublin on Monday.

081

Reposted by Mykola Ryzhenkov 🇺🇦

Oleksandr Shepotylo @shepotylo.bsky.social · 04/03/2025

My friend and colleague, @mykolaryzhenkov.bsky.social is presenting our work on the impact of Ukrainian port blockade on trade, mode of transportation, and welfare in Ukraine at @bofitresearch.bsky.social We use shift-share and DID to estimate how access to sea routes impacts trade

Ukraine access to the sea routes and trade

061

Reposted by Mykola Ryzhenkov 🇺🇦

Yuriy Gorodnichenko @ygorodnichenko.bsky.social · 20/02/2025

Hey #EconSky Economists for Ukraine (econ4ua.org) drafted an open letter to the future German chancellor. We call for 🇩🇪 & 🇪🇺 to step up & to ⬆️ support for #Ukraine. Please read & sign (if you agree), the form is at the end of ✉️): tinyurl.com/m9ta2b5d Please share this letter with your colleagues.

tinyurl.com

To: The future German chancellor

To: The future German chancellor From: Economists For Ukraine. Dear Chancellor, Congratulations on taking the helm of the Federal Republic of Germany! You are in a perfect storm, and Germany mus...

25925

Mykola Ryzhenkov 🇺🇦 @mykolaryzhenkov.bsky.social · 10/06/2024

The paper (and a chapter from my dissertation) titled "Labor Market Effects of Monetary Policy Across Workers and Firms," co-authored with Andreas Gulyas and Matthias Meier, is published in the European Economic Review. The paper is available here: www.sciencedirect.com/science/arti...

160