Agent skill

Jfe Identification

by franklee16 in franklee16/academic-research-skills

A skill your agent uses when the causal identification or inference design is the bottleneck for a Journal of Financial Economics (JFE) manuscript — natural experiments, IV, staggered DID, RDD, and…

No licenceAuto-check passedTesting & QA

Install Jfe Identification

skills CLI
$ npx skills add franklee16/academic-research-skills --skill jfe-identification -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install franklee16/academic-research-skills jfe-identification --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/franklee16/academic-research-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/Awesome-Journal-Skills-main/Journal-of-Financial-Economics-Skills/skills/jfe-identification .claude/skills/jfe-identification && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
jfe-identification
GitHub stars
223
Used in
1 other repo
Token cost
~1.4k tokens
SKILL.md length
604 words
Files
1
Skills in repo
1,617
Repo updated
First seen
Licence
None found

At a glance

A skill your agent uses when the causal identification or inference design is the bottleneck for a Journal of Financial Economics (JFE) manuscript — natural experiments, IV, staggered DID, RDD, and…

  • Works in 6 steps: Natural experiment / exogenous shock +… → Regression discontinuity (a sharp rule… → Instrumental variables (strong first… → …
  • The causal identification
  • SKILL.md covers When to trigger, The JFE identification bar, Design priority (strong ->… and Branches, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Jfe Identification is an agent skill from franklee16/academic-research-skills. Use when the causal identification or inference design is the bottleneck for a Journal of Financial Economics (JFE) manuscript — natural experiments, IV, staggered DID, RDD, and explicit endogeneity/selection treatment. Stress-tests the design before drafting tables; it does not finalize factor construction or estimators (see jfe-empirical-design).

Its SKILL.md is about 1.4k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Testing & QA, covering Load testing. The repository describes itself as: Comprehensive collection of Claude Code skills for academic research in economics, finance, and social sciences.

When your agent uses it

  • The causal identification
  • Inference design is the bottleneck for a Journal of Financial Economics (JFE) manuscript — natural experiments
  • Explicit endogeneity/selection treatment

Example prompts

  • “/jfe-identification”

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. Natural experiment / exogenous shock + DID (regulatory change, plausibly random policy, court ruling)
  2. Regression discontinuity (a sharp rule with a running variable: index inclusion, covenant threshold, vote share)
  3. Instrumental variables (strong first stage + a genuinely defensible exclusion restriction)
  4. Matching / entropy balancing + DID (to reduce, not eliminate, selection)
  5. Structural estimation (when the question is about deep parameters or counterfactuals)
  6. OLS + controls (acceptable only with a frank endogeneity discussion and as a complement, rarely as the headline)

What it can do on your machine

Read from SKILL.md and the folder at commit 9a4b2db. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Jfe Identification loads about 1.4k tokens when it runs. Until then it costs about 92 tokens; SKILL.md has 604 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~92
When it runs · the whole SKILL.md, loaded when a task matches
~1.4k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 604 words (~1,361 tokens).

“JFE referees expect endogeneity and selection to be treated explicitly, and they expect every plausible alternative explanation to be ruled out — not waved away. Corporate-finance papers are held to a credible-design standard; asset-pricing papers to a disciplined-inference standard (see…”

— opening of SKILL.md by franklee16
name
jfe-identification

Read the full SKILL.md on GitHub

Files

Just SKILL.md in Awesome-Journal-Skills-main/Journal-of-Financial-Economics-Skills/skills/jfe-identification of franklee16/academic-research-skills.

Open the folder on GitHubat commit 9a4b2db

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in franklee16/academic-research-skills, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Jfe Identification next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Jfe Identification compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Jfe Identification this skillfranklee16/academic-research-skills2231 repos~1.4kAutomated safety check: PassNone
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Go Testingcxuu/golang-skills1721 repos~1.3kAutomated safety check: PassApache-2.0
Goalcraftgrp06/goalcraft102—~3.8kAutomated safety check: PassMIT
Thinking Partnermattnowdev/thinking-partner206—~4.4kAutomated safety check: PassMIT
Visionkunchenguid/vision331—~2.9kAutomated safety check: PassMIT

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Categories

Questions about Jfe Identification

What does Jfe Identification do?

A skill your agent uses when the causal identification or inference design is the bottleneck for a Journal of Financial Economics (JFE) manuscript — natural experiments, IV, staggered DID, RDD, and…. Jfe Identification is an agent skill from franklee16/academic-research-skills. Use when the causal identification or inference design is the bottleneck for a Journal of Financial Economics (JFE) manuscript — natural experiments, IV, staggered DID, RDD, and explicit endogeneity/selection treatment.

When should I use Jfe Identification?

Jfe Identification fits situations like: the causal identification; inference design is the bottleneck for a Journal of Financial Economics (JFE) manuscript — natural experiments; explicit endogeneity/selection treatment.

How do I install Jfe Identification in Claude Code?

Run `npx skills add franklee16/academic-research-skills --skill jfe-identification -a claude-code`. Or copy the skill folder (Awesome-Journal-Skills-main/Journal-of-Financial-Economics-Skills/skills/jfe-identification in franklee16/academic-research-skills) into .claude/skills/jfe-identification in your project. Claude Code loads it when a task matches its description.

How do I install Jfe Identification in Codex?

Run `npx skills add franklee16/academic-research-skills --skill jfe-identification -a codex`. Or copy the skill folder (Awesome-Journal-Skills-main/Journal-of-Financial-Economics-Skills/skills/jfe-identification in franklee16/academic-research-skills) into .agents/skills/jfe-identification in your project. Codex loads it when a task matches its description.

Can I use Jfe Identification in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add franklee16/academic-research-skills --skill jfe-identification -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/jfe-identification, .gemini/skills/jfe-identification, .github/skills/jfe-identification and .opencode/skills/jfe-identification in your project.

What does Jfe Identification need to run?

SKILL.md names no scripts, command-line tools or credentials: Jfe Identification is instructions for the agent only.

Does Jfe Identification access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Jfe Identification safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Jfe Identification use?

No licence was found for Jfe Identification or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Jfe Identification use?

About 1.4k tokens (SKILL.md is roughly 5.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Jfe Identification?

Skills that share tags, products or a category with Jfe Identification: Writing Livekit Scenarios (livekit-examples/agent-starter-python, 264 stars), Go Testing (cxuu/golang-skills, 172 stars), Goalcraft (grp06/goalcraft, 102 stars) and Thinking Partner (mattnowdev/thinking-partner, 206 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Jfe Identification?

franklee16 (a GitHub user) maintains it in franklee16/academic-research-skills, which has 223 GitHub stars. The repository holds 1,617 skills in this directory. The repository was last updated on September 18, 2026.

Source: franklee16/academic-research-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.