infospace: process book-5-chapter-02

Extract entities, map to VSM, and synthesize analysis.

examples/infospace-with-history/output/entities/stock-profit-tax.md

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+<!-- generated: provider=openrouter model=arcee-ai/trinity-large-preview:free date=2026-02-19 source=book-5-chapter-02 -->
+
+# Stock Profit Tax
+
+## Definition
+
+A tax levied on the profits derived from the employment of capital in various
+trades and businesses, which ultimately falls upon the consumers of the goods
+produced rather than the dealers themselves.
+
+## Source Chapter
+
+Book V, Chapter 2
+
+## Context
+
+Smith explains that taxes on the profits of stock cannot affect the interest
+of money itself but must be passed on to consumers through higher prices, and
+discusses how such taxes affect different branches of trade unequally.
+
+## Economic Domain
+
+General Theory
+
+---