Theory of Absolute Advantage Example:If Norway produces fish more efficiently than Portugal, and Portugal produces wine more efficiently than Norway, both countries gain by specializing and trading fish for wine. Theory of Comparative Advantage...
Layer 0 (Foundation Layer) Layer 1 (Base Blockchain Layer) Layer 2 (Scaling Layer) ✅ In simple terms: Feature Layer 0 Layer 1 Layer 2 Definition Foundational infrastructure for creating and connecting blockchains Base blockchain...
Let’s go step by step so you get a clear foundation in System Archetypes. 🔹 1. What Are System Archetypes? System archetypes are recurring patterns of behavior that show up in complex systems across...
Happy to see my citations in google scholar exceeding 5000. At this point in career, I understand very well that citations are not everything and citations alone is not a good metric for assessing...
Method Main Use Case Assumptions Handles Time-Invariant Variables Endogeneity Control When to Use Pooled OLS Treats panel data as pure cross-sectional data Assumes no unobserved heterogeneity (all units are identical aside from included variables)...
One should use Generalized Method of Moments (GMM) when: 1. Endogeneity is present GMM is commonly used to address endogeneity, especially when: 2. Model has more moment conditions than parameters GMM allows estimation even...
An instrumental variable (IV) is a tool used in regression analysis to solve the problem of endogeneity — when an explanatory variable is correlated with the error term. A good instrument must satisfy two...
Endogeneity refers to a situation in which an explanatory variable is correlated with the error term in a regression model. This violates a key assumption of classical linear regression and leads to biased and...
“Long-run equilibrium” in the context of cointegration means: Even though individual time series (e.g., prices, GDP, exchange rates) may drift or trend over time, a certain linear combination of them remains stable over the...
Robust regression refers to methods that are less sensitive to outliers, heteroskedasticity, and violations of normality of residuals. These techniques aim to produce reliable estimates even when assumptions like homoskedasticity or normal error distribution...
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