IMPLAN Blog

Nadège Ngomsi

Nadège Ngomsi is an economist, econometrician, and higher-education professional working at the intersection of input-output modeling, demography, energy economics, and political economy. She serves as an Education Support Specialist at IMPLAN, LLC, where she supports applied modeling workflows for researchers, policy analysts, and public-sector practitioners. Ms. Ngomsi is a Ph.D. candidate in Economics with a research agenda focused on institutional economics, inequality, regional development, and the economic impacts of energy and environmental policy. Her work connects quantitative modeling with structural analysis to evaluate how growth, policy, and resource distribution shape social and regional outcomes. She holds a B.S. from the University of Missouri–Kansas City (UMKC), an MBA from the University of Kansas, and an M.A. in Economics from UMKC. She has served as a lecturer at UMKC and contributes to applied economics and policy scholarship.

Recent Posts

A Slower Housing Market Is Sending Ripples Through the U.S. Economy

Posted by Nadège Ngomsi on March 5, 2026

The U.S. housing market is exhibiting signs of cooling, with the resulting slowdown extending well beyond real estate listings.

Recent data from Redfin shows that U.S. pending home sales fell 5.8% yearover yearduring the four weeks ending February 15, 2026, marking the largest decline in a year. At the same time, homes are taking longer to sell. Thetypical home now takes 67 days to go under contract, a full week longer than in 2025 and the slowest pace since early 2019.

These shifts are significant because housing transactions serve as major catalysts for economic spending. Each home sale initiates a cascade of economic activity, including mortgage financing, renovation work, furniture purchases, and retail spending.

IMPLAN was used to model how the recent slowdown in home sales translates into broader economic impacts across industries and communities.

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Topics: Economics, Impact, Economic Modeling, U.S. Economy, Economic Trends

How Declining Population Growth is Breaking the U.S. Economy

Posted by Nadège Ngomsi on February 11, 2026

For decades, U.S. economic growth has been predicated on the assumption that population increases drive greater demand. This foundational premise is now being challenged.

Recent U.S. Census Bureau data indicate a significant shift in the nation’s demographic trajectory. U.S. population growth declined from approximately 1.0% in 2024 to 0.5% in the twelve months ending June 30, 2025. This slowdown, driven by lower birth rates and reduced international migration, has produced immediate and quantifiable economic consequences.

A slower-growing population means a slower-growing customer base. In 2024, the U.S. added 3.2 million new residents. In 2025, that number dropped to 1.8 million, leaving a growth gap of roughly 1.4 million fewer people contributing to housing demand, retail spending, and service consumption.

IMPLAN was utilized to model the economic implications of this demographic slowdown by quantifying the forgone consumption associated with the 1.4 million 'missing' residents and the subsequent ripple effects.

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Topics: Economics, Impact, U.S. Census Data, Economic Modeling, GDP Analysis, Labor Market, Population Decline, Population Growth, U.S. Economy, Jobs Impact, Economic Trends

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