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Latest — 07 Dec 2025

First, Assume No Elections

Dixit, Grossman, and Gul (2000), hereafter DGG, study a setting in which two groups repeatedly divide a fixed surplus over an infinite horizon. The basic ingredients are: * Two groups, $A$ and $B$, each with concave utility over their share of a pie normalized to 1. * In each period, one group

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Targeted Model Editing

Pretrained generative models (LLMs, text-to-image, etc.) are used as general-purpose engines and then "aligned" toward specific goals: lower toxicity, higher truthfulness, removal of certain objects or styles, domain specialization, and so on. In practice, we rarely want to rebuild the whole model. The real objective is more surgical.

Shipping Fuzzy‑Joined Data for Inference

A growing share of empirical work relies on "data products" that integrate multiple administrative and survey sources via fuzzy joins. Researchers typically receive only the final merged panel and treat each cell as if it were directly observed. But upstream, the data producer has made substantive decisions—how

Chaotic Flows: LLMs in Low‑Tolerance Workflows

When you add an LLM to a workflow, you change both the upside and the downside. The net effect is easiest to express as a shift in the workflow's value: $$ \Delta \text{Value} = \Delta \text{Benefit} - N \sum_i f_i \cdot \Delta p_i \cdot L_

Stable LLM Inference

A mathematical function gives the same output for the same input. LLMs do not. Not even at temperature = 0. Determinism matters for reproducibility, debugging, and for keeping pipelines stable. Without it, identical prompts can yield divergent completions, making experiments irreproducible and systems brittle. We can intervene at three broad layers

Identifying Assumptions

One of the reasons why I specifically look at Muslims is, as compared to other marginalized groups in India—let’s say the Scheduled Castes or the Scheduled Tribes—is primarily because there have been political reservation norms for the Scheduled Castes and Scheduled Tribes. There is a plethora of

What Problem Is Traditional RAG Solving?

RAG solves a specific technical problem: it enables models trained on broad public text to answer questions about specialized content without retraining. But solving a technical problem doesn't automatically make RAG the right business solution. A useful way to reason about search-system design is to model its net

Conscious Decoupling: Separating Budgets For Thought and Action

Current LLM services bundle model intelligence with supporting infrastructure into fixed tiers. When you purchase access to GPT‑5 Thinking, Claude Opus 4.1, or similar offerings, you receive a package: some amount of model capability paired with some unspecified quantity of supporting compute. This bundling serves a purpose. It

Testing LLMs: Engineering Confidence Without Certainty

Software testing has always relied on a fragile assumption: that we can enumerate test cases that represent production behavior. We test specific inputs, verify outputs, and trust that production will behave similarly. This works until it doesn't. Search ranking degrades as user behavior evolves. Heuristics fail when traffic