Josep Gisbert's Avatar

Josep Gisbert

@josep-gisbert.bsky.social

Assistant Professor of Financial Economics @IEUniversity. Personal Finance and AI ๐Ÿซถ Researching: Macro-Finance, Banking, AI, and Behavioral Economics. To learn more, visit: https://www.josepgisbert.com

156 Followers  |  473 Following  |  57 Posts  |  Joined: 10.02.2025  |  1.6944

Latest posts by josep-gisbert.bsky.social on Bluesky

Post image

๐Ÿ“„ Paper: esade.edu/ecpol/wp-con...

#GenAI #Inequality #RCT #AIinEducation #IEUniversity #ToniRoldรกn #EsadeEcPol #EconomicsResearch

12.05.2025 13:01 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
Post image

โ€ข ๐Ÿ› ๏ธ ๐”๐ฌ๐š๐ ๐ž ๐ ๐š๐ฉ ๐ฆ๐š๐ญ๐ญ๐ž๐ซ๐ฌ: The real differentiator was not access to GenAI, but how well students could prompt, interpret, and apply its output

๐€ ๐Ÿ๐ซ๐ž๐ฌ๐ก ๐ฉ๐ž๐ซ๐ฌ๐ฉ๐ž๐œ๐ญ๐ข๐ฏ๐ž ๐จ๐ง ๐ก๐จ๐ฐ ๐†๐ž๐ง๐€๐ˆ ๐œ๐จ๐ฎ๐ฅ๐ ๐š๐œ๐ญ๐ฎ๐š๐ฅ๐ฅ๐ฒ ๐ฐ๐ข๐๐ž๐ง, ๐ซ๐š๐ญ๐ก๐ž๐ซ ๐ญ๐ก๐š๐ง ๐ง๐š๐ซ๐ซ๐จ๐ฐ, ๐ฌ๐ค๐ข๐ฅ๐ฅ ๐ ๐š๐ฉ๐ฌ ๐ž๐ฌ๐ฉ๐ž๐œ๐ข๐š๐ฅ๐ฅ๐ฒ ๐ข๐ง ๐ฌ๐ž๐ญ๐ญ๐ข๐ง๐ ๐ฌ ๐ญ๐ก๐š๐ญ ๐๐ž๐ฆ๐š๐ง๐ ๐ฃ๐ฎ๐๐ ๐ฆ๐ž๐ง๐ญ ๐ง๐ฎ๐š๐ง๐œ๐ž ๐š๐ง๐ ๐ซ๐ž๐š๐ฅ-๐ญ๐ข๐ฆ๐ž ๐ญ๐ก๐ข๐ง๐ค๐ข๐ง๐ 

12.05.2025 13:01 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

๐Ÿ” Some standout insights from his exciting ๐‘๐‚๐“ approach:
โ€ข ๐Ÿง  ๐‡๐ข๐ ๐ก-๐ฌ๐ค๐ข๐ฅ๐ฅ๐ž๐ ๐ฌ๐ญ๐ฎ๐๐ž๐ง๐ญ๐ฌ ๐›๐ž๐ง๐ž๐Ÿ๐ข๐ญ ๐ฆ๐จ๐ซ๐ž: GenAI improved debate performance far more for merit scholarship recipients and top baseline performers
โ€ข โš–๏ธ ๐๐จ๐ญ ๐š ๐ฅ๐ž๐ฏ๐ž๐ฅ๐ข๐ง๐  ๐ญ๐จ๐จ๐ฅ: Contrary to prior studies, ChatGPT did not help low-performers catch up

12.05.2025 13:01 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

He presented โ€œ๐˜ž๐˜ฉ๐˜ฆ๐˜ฏ ๐˜Ž๐˜ฆ๐˜ฏ๐˜ˆ๐˜ ๐˜๐˜ฏ๐˜ค๐˜ณ๐˜ฆ๐˜ข๐˜ด๐˜ฆ๐˜ด ๐˜๐˜ฏ๐˜ฆ๐˜ฒ๐˜ถ๐˜ข๐˜ญ๐˜ช๐˜ต๐˜บ: ๐˜Œ๐˜ท๐˜ช๐˜ฅ๐˜ฆ๐˜ฏ๐˜ค๐˜ฆ ๐˜ง๐˜ณ๐˜ฐ๐˜ฎ ๐˜ข ๐˜œ๐˜ฏ๐˜ช๐˜ท๐˜ฆ๐˜ณ๐˜ด๐˜ช๐˜ต๐˜บ ๐˜‹๐˜ฆ๐˜ฃ๐˜ข๐˜ต๐˜ช๐˜ฏ๐˜จ ๐˜Š๐˜ฐ๐˜ฎ๐˜ฑ๐˜ฆ๐˜ต๐˜ช๐˜ต๐˜ช๐˜ฐ๐˜ฏโ€, a novel paper that uses a randomized controlled trial (RCT) in an academic debate setting to ask a critical question: Who really benefits from GenAI in cognitively demanding, unpredictable tasks? ๐Ÿ“š

12.05.2025 13:01 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

We had the pleasure of welcoming @toniroldan.bsky.social from @esadeecpol.bsky.social to the Economics and Finance Departmental Seminar of @ieuniversity.bsky.social
๐ŸŽ“

12.05.2025 13:01 โ€” ๐Ÿ‘ 2    ๐Ÿ” 1    ๐Ÿ’ฌ 2    ๐Ÿ“Œ 0
Post image

โ€ข ๐Ÿ“‰ ๐„๐Ÿ๐Ÿ๐ข๐œ๐ข๐ž๐ง๐œ๐ฒ: this leads to weaker market efficiency and lower liquidity compared to rational agents

๐€ ๐ญ๐ก๐จ๐ฎ๐ ๐ก๐ญ-๐ฉ๐ซ๐จ๐ฏ๐จ๐ค๐ข๐ง๐  ๐œ๐จ๐ง๐ญ๐ซ๐ข๐›๐ฎ๐ญ๐ข๐จ๐ง ๐ญ๐จ ๐ญ๐ก๐ž ๐ž๐ฆ๐ž๐ซ๐ ๐ข๐ง๐  ๐Ÿ๐ข๐ž๐ฅ๐ ๐จ๐Ÿ ๐š๐ฅ๐ ๐จ๐ซ๐ข๐ญ๐ก๐ฆ๐ข๐œ ๐›๐ž๐ก๐š๐ฏ๐ข๐จ๐ซ๐š๐ฅ ๐Ÿ๐ข๐ง๐š๐ง๐œ๐ž.

๐Ÿ“„ Slides: francescosangiorgi.com/wp-content/u...

#AIinFinance #ReinforcementLearning #MarketDesign

09.05.2025 10:59 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
Post image Post image

๐Ÿ” Some standout insights from their ๐ญ๐ก๐ž๐จ๐ซ๐ฒ + ๐ฌ๐ข๐ฆ๐ฎ๐ฅ๐š๐ญ๐ข๐จ๐ง:
โ€ข โœ… ๐๐ซ๐ข๐œ๐ž๐ฌ: AI traders decode prices and learn portfolio strategies that qualitatively mirror rational benchmarks
โ€ข โŒ ๐„๐ฑ๐ญ๐ž๐ซ๐ง๐š๐ฅ๐ข๐ญ๐ข๐ž๐ฌ: but when multiple AIs interact, they interfere with one anotherโ€™s learning creating a negative externality

09.05.2025 10:59 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image Post image

He presented โ€œ(๐˜‹๐˜ฆ๐˜ฆ๐˜ฑ) ๐˜“๐˜ฆ๐˜ข๐˜ณ๐˜ฏ๐˜ช๐˜ฏ๐˜จ ๐˜ต๐˜ฐ ๐˜›๐˜ณ๐˜ข๐˜ฅ๐˜ฆโ€, co-authored with Ivan Gufler (@UniLUISS) and Emanuele Tarantino (@UniLUISS & European Commission). The work digs into how AI tradersโ€”using deep reinforcement learningโ€”respond to price signals, interact with each other, and influence market outcomes ๐Ÿ“š

09.05.2025 10:59 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

This week we had the luxury of hosting Francesco Sangiorgi from the @FrankfurtSchool at the Economics and Finance Departmental Seminar of @IEuniversity ๐ŸŽ“

09.05.2025 10:59 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

8.๐Œ๐ฎ๐ฅ๐ญ๐ข-๐š๐ ๐ž๐ง๐ญ? Use a manager or task handoffs, but donโ€™t overcomplicate.
9.๐†๐ฎ๐š๐ซ๐๐ซ๐š๐ข๐ฅ๐ฌ ๐š๐ซ๐ž ๐ง๐จ๐ง-๐ง๐ž๐ ๐จ๐ญ๐ข๐š๐›๐ฅ๐ž: protect against bad input, risky actions, and misuse.
10.๐ƒ๐ž๐ฌ๐ข๐ ๐ง ๐Ÿ๐จ๐ซ ๐ก๐ฎ๐ฆ๐š๐ง๐ฌ: test early, expect failure, always have a backup plan.

#AI #OpenAI #LLMs #Agents #Product #TechTrends #FutureOfWork

19.04.2025 19:55 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
Post image

4.๐๐ข๐œ๐ค ๐ญ๐ก๐ž ๐ซ๐ข๐ ๐ก๐ญ ๐ฆ๐จ๐๐ž๐ฅ: test, explore with GPT-4, then optimize for speed/cost.
5.๐“๐จ๐จ๐ฅ๐ฌ ๐ฆ๐š๐ญ๐ญ๐ž๐ซ: agents need reliable tools to access data and take action.
6.๐ˆ๐ง๐ฌ๐ญ๐ซ๐ฎ๐œ๐ญ๐ข๐จ๐ง๐ฌ ๐š๐ซ๐ž ๐ž๐ฏ๐ž๐ซ๐ฒ๐ญ๐ก๐ข๐ง๐ : vague = chaos. Be clear and specific.
7.๐’๐ญ๐š๐ซ๐ญ ๐ฌ๐ฆ๐š๐ฅ๐ฅ โ€” one solid agent with tools often beats a whole swarm.

19.04.2025 19:55 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

Here are 10 key takeaways compiled by the great Hesam @Hesamation:
1.๐€๐ ๐ž๐ง๐ญ๐ฌ โ‰  ๐ฐ๐จ๐ซ๐ค๐Ÿ๐ฅ๐จ๐ฐ๐ฌ: agents act autonomously; most LLM apps need an input.
2.๐”๐ฌ๐ž ๐ญ๐ก๐ž๐ฆ ๐Ÿ๐จ๐ซ ๐ญ๐ก๐ž ๐ก๐š๐ซ๐ ๐ฌ๐ญ๐ฎ๐Ÿ๐Ÿ: messy data, dynamic rules, real decisions.
3.๐‚๐จ๐ซ๐ž ๐ซ๐ž๐œ๐ข๐ฉ๐ž = brain (model), tools, and clear instructions.

19.04.2025 19:55 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

@OpenAI I just released a practical guide to building ๐€๐ˆ ๐š๐ ๐ž๐ง๐ญ๐ฌ โ€” and itโ€™s genuinely useful. It is solid guidance that helps you get things working. โš™๏ธ๐Ÿค–

If youโ€™re working with LLMs or thinking about agent-based products, itโ€™s well worth the read:
๐Ÿ”— cdn.openai.com/business-guideโ€ฆ

19.04.2025 19:55 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Preview
Weโ€™ve detected that JavaScript is disabled in this browser. Please enable JavaScript or switch to a supported browser to continue using x.com. You can see a list of supported browsers in our Help Center.

And if you want the TL;DR, the always insightful Greg Isenberg put together a great summary of OpenAIโ€™s best tips โ€” ideal for product builders and growth hackers:

๐Ÿ”— x.com/gregisenberg...

#PromptEngineering #AI #OpenAI #Google #LLMs #ProductDesign #GenerativeAI

16.04.2025 12:12 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
Preview
GPT-4.1 Prompting Guide | OpenAI Cookbook Open-source examples and guides for building with the OpenAI API. Browse a collection of snippets, advanced techniques and walkthroughs. Share your own examples and guides.

OpenAI meanwhile, shared a practical, no-fluff prompting guide tailored for working with their API โ€” short, sharp, and very useful:

๐Ÿ”— cookbook.openai.com/examples/gpt...

16.04.2025 12:12 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

Google released a 69-page whitepaper that dives deep into prompt design for a wide range of applications:

๐Ÿ”— www.kaggle.com/whitepaper-p...

16.04.2025 12:12 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

In the past two weeks, both Google and OpenAI have dropped major resources on prompt engineering โ€” a clear sign of how fast this field is evolving and how central itโ€™s becoming for anyone working with LLMs. โšก๐Ÿค–

16.04.2025 12:12 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

Study highlight: Peer-sourced data outshines official audits in swaying firms vs . Read more on procurement & corruption: loiaconofrancesco.com/wp-content/u...

#DevelopmentEconomics

01.04.2025 17:14 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
Post image

Key insights from Loiaconoโ€™s Uganda field experiment:
โ€ข Tender info alone doesnโ€™t lift firm participation
โ€ข Fixing misperceptions about public sector integrity boosts bids & contracts

01.04.2025 17:14 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

We hosted Francesco Loiacono from @EBRD
at @ieuniversity.bsky.social 's Econ & Finance Seminar. He shared "Do Info Frictions & Corruption Perceptions Kill Competition?"โ€”a sharp study on how mistrust, not info access, limits firms in public procurement. Engaging talk!

01.04.2025 17:14 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0

#AIinFinance #IESEBankingInitiative #FinancialInnovation #ArtificialIntelligence #FinTech #Banking

21.03.2025 13:47 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
Post image

A special thanks to Xavier Vives for his outstanding leadership in organizing this conference, as well as Jordi Canals and the entire ๐ˆ๐„๐’๐„ ๐๐š๐ง๐ค๐ข๐ง๐  ๐ˆ๐ง๐ข๐ญ๐ข๐š๐ญ๐ข๐ฏ๐ž team for making this event possible. Engaging with top academics and industry leaders on the future of AI in finance was truly inspiring.

21.03.2025 13:47 โ€” ๐Ÿ‘ 2    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

๐Ÿ”น AIโ€™s Impact on Financial Markets: The Consequences of Evolving Information Production
โ€ข Thierry Foucault, HEC Paris

21.03.2025 13:47 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

๐Ÿ”น ๐‚๐จ๐ซ๐ฉ๐จ๐ซ๐š๐ญ๐ž ๐…๐ข๐ง๐š๐ง๐œ๐ž ๐š๐ง๐ ๐†๐จ๐ฏ๐ž๐ซ๐ง๐š๐ง๐œ๐ž ๐ฐ๐ข๐ญ๐ก ๐€๐ˆ: ๐Ž๐ฅ๐ ๐š๐ง๐ ๐๐ž๐ฐ
โ€ข ๐–๐ž๐ข ๐‰๐ข๐š๐ง๐ , Emory University

21.03.2025 13:47 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

Then the conference brought together leading academic experts who shared their latest research and perspectives:

๐Ÿ”น ๐€๐ˆ ๐š๐ง๐ ๐ญ๐ก๐ž ๐…๐ข๐ง๐š๐ง๐œ๐ข๐š๐ฅ ๐’๐ž๐œ๐ญ๐จ๐ซ: ๐“๐ซ๐š๐ง๐ฌ๐Ÿ๐จ๐ซ๐ฆ๐š๐ญ๐ข๐จ๐ง๐ฌ, ๐‚๐ก๐š๐ฅ๐ฅ๐ž๐ง๐ ๐ž๐ฌ, ๐š๐ง๐ ๐‘๐ž๐ ๐ฎ๐ฅ๐š๐ญ๐จ๐ซ๐ฒ ๐‘๐ž๐ฌ๐ฉ๐จ๐ง๐ฌ๐ž๐ฌ
โ€ข Leonardo Gambacorta, Bank for International Settlements

21.03.2025 13:47 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

๐Ÿฆ The event opened with insightful remarks by Josรฉ Luis Escrivรก Belmonte Governor of the Banco de Espaรฑa, highlighting the growing importance of AI in shaping the future of financial systems and regulation.

21.03.2025 13:47 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

๐Ÿ”๐Ÿค– ๐•๐ˆ๐ˆ ๐‚๐จ๐ง๐Ÿ๐ž๐ซ๐ž๐ง๐œ๐ž ๐จ๐ง ๐€๐ซ๐ญ๐ข๐Ÿ๐ข๐œ๐ข๐š๐ฅ ๐ˆ๐ง๐ญ๐ž๐ฅ๐ฅ๐ข๐ ๐ž๐ง๐œ๐ž ๐ข๐ง ๐…๐ข๐ง๐š๐ง๐œ๐ž

The event organized by the IESE Business School Banking Initiative featured insightful discussions on ๐€๐ˆโ€™๐ฌ ๐ญ๐ซ๐š๐ง๐ฌ๐Ÿ๐จ๐ซ๐ฆ๐š๐ญ๐ข๐ฏ๐ž ๐ซ๐จ๐ฅ๐ž ๐ข๐ง ๐ญ๐ก๐ž ๐Ÿ๐ข๐ง๐š๐ง๐œ๐ข๐š๐ฅ ๐ฌ๐ž๐œ๐ญ๐จ๐ซ, exploring both ๐จ๐ฉ๐ฉ๐จ๐ซ๐ญ๐ฎ๐ง๐ข๐ญ๐ข๐ž๐ฌ ๐š๐ง๐ ๐œ๐ก๐š๐ฅ๐ฅ๐ž๐ง๐ ๐ž๐ฌ it represents.

21.03.2025 13:47 โ€” ๐Ÿ‘ 2    ๐Ÿ” 1    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

Dr. ฤฐlke TOYGรœR closed the session by outlining the Global Policy Centerโ€™s strategy.

A big thank you to our facultyโ€”your insights drive our progress!

#IESPEGA #IEUniversity #HigherEducation #StrategicVision #OrganizationalLearning

20.03.2025 10:01 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
Post image Post image

Yesterday, we held a ๐’๐ญ๐ซ๐š๐ญ๐ž๐ ๐ข๐œ ๐‘๐ž๐ฏ๐ข๐ž๐ฐ, led by Dean Enrico Letta to explore both risks and opportunities in shaping our Schoolโ€™s future. This was a true display of institutional learning, fostering open dialogue on strategic priorities, innovative teaching, and student experience.

20.03.2025 10:01 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Post image

๐Ÿ“ข ๐’๐ญ๐ซ๐ž๐ง๐ ๐ญ๐ก๐ž๐ง๐ข๐ง๐  ๐Ž๐ฎ๐ซ ๐€๐œ๐š๐๐ž๐ฆ๐ข๐œ ๐•๐ข๐ฌ๐ข๐จ๐ง ๐š๐ญ IE School of Politics, Economics & Global Affairs

20.03.2025 10:01 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0

@josep-gisbert is following 20 prominent accounts