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The Impact of the Home Sharing Economy on Housing Market Dynamics in the Lake Michigan Area

Principal Investigator: Dohyung Bang
Affiliation: Purdue University
Initiation Date: 2025

The primary objective of this study is to investigate how the home sharing economy (HSE), led by the rapid growth of short-term rental (STR) platforms such as Airbnb, influences housing market dynamics in the Lake Michigan region. While STRs have contributed to local economic growth through increased tourism and income opportunities, they have also raised concerns about housing affordability and community sustainability, particularly in urban and coastal areas where STR activity is concentrated. This research seeks to empirically examine the extent to which STR supply affects key housing market outcomes—specifically, home values, rental prices, and transaction volumes—using a panel dataset organized at the zip-code-by-month level. Recognizing the regional specificity of STR impacts, the study aims to identify not only whether STR activity influences housing markets, but also under what neighborhood-level conditions these effects are more pronounced. By exploring heterogeneity in STR effects across different community types (e.g., high-tourism vs. residential, renter-dominated vs. owner-dominated), the study generates a nuanced understanding of STR-driven housing dynamics. Furthermore, the study conducts counterfactual simulations to estimate how hypothetical supply-side regulations (such as annual STR caps) could alter housing market outcomes in different neighborhoods. These insights will be particularly relevant for local governments in the Lake Michigan area, where STR regulation remains limited or absent. Ultimately, this research contributes to evidence-based policymaking by offering targeted, data-driven recommendations for balancing the economic benefits of STRs with the long-term housing needs and social sustainability of local communities.


The Population Dynamics and Ecology of Zebra Mussels in Inland Lakes

Principal Investigator: David Garton
Affiliation: The Ohio State University
Initiation Date: 1994

The main objectives of this project are to:

  • Describe the population dynamics of zebra mussels in nine inland lakes (seven in Michigan, one each in Indiana and Ohio).
  • Measure reproductive output, larval abundance, recruitment and adult growth adult mussel density, size distribution and availability of suitable substrata within each study lake.

The Socio-Environmental Implications to Urban Waters in The Driverless City

Principal Investigator: Alexis Arias
Affiliation: Illinois Institute of Technology
Initiation Date: 2021

Cities can be shaped to mitigate potential risks and improve the safety of citizens. However, modifying the urban setting to expand autonomous vehicle safety could negatively impact the community’s water systems health. This graduate student scholars research project aims to leverage a shift in transportation technologies, in a period of climate crisis, for the benefit and safety of people and natural systems – including water systems. This researcher will compile ideas on a multidisciplinary effort, representing different aspects of the city and diverse effects on the influence of technology in urban water systems to present a comprehensive document that questions the possible outcomes in the physical, political, and social aspects.


The Utilization of Great Lakes’ Dredged Sludge in Cementitious Composites: Investigation and Assessment

Principal Investigator: Xiaoli Xiong
Affiliation: Purdue University
Initiation Date: 2024

This one-year research project is dedicated to investigating the viability of utilizing dredged sludge from the Great Lakes as a substitute for fine aggregates in cementitious composites. The research encompasses experimental investigation such as the chemical and physical properties of the dredged sludge and the fresh and mechanical performance of cementitious composites incorporating this material. Subsequently, a “cradle to gate” life cycle assessment will be conducted for cementitious composites with dredged sludge.

The primary goal of this project is to propose an innovative recycling approach for managing pollutant-laden dredged sludge, aiming to reduce the reliance on traditional sand in the construction industry.


Towards Sustainability of the Best Management Practices for Water Quality Enhancement

Principal Investigator: Haribansha Timalsina
Affiliation: University of Illinois at Urbana-Champaign
Initiation Date: 2024

Three major research questions that we aim to address are:

  • Are the secondary environmental impacts of the existing nutrient loss management BMPs significant so that they pose substantial challenges in their sustainability?
  • How could redesign the existing technologies/practices to minimize these challenges?
  • How can we offer techno economically viable solutions to boost the technology adoption of the existing nutrient loss management strategies in the larger scale?

Lake Michigan, a significant global freshwater resource, has been constantly afflicted by nutrient pollution leading to eutrophication due to draining of excess nutrients from the most intensively managed agricultural landscapes in the Midwest. Many BMPs have been in practice in the urban and agricultural watersheds and are effective in reducing nutrient loss via surface runoff, yet lake Michigan’s nutrient concentrations and HABs are still serious problems. Recent research suggests that the existing BMPs render secondary environmental impacts which could undermine their functions of nutrient loss reduction and challenge their sustainability. For example, multiple BMPs that have been tremendously effective in controlling surface runoff and the subsequent associated nutrient loss, have dramatically altered the nutrient loss pathways from surface to sub-surface drainage whose subsequent negative impacts are profound on the Great Lakes region. Agricultural and stormwater BMPs such as conservation tillage, strip tillage, riparian buffers, bioretention cells, woodchip mulching etc. have been particularly effective in sediment and nutrient loss reduction from surface runoff in field scale, while inadequate to override nutrient export from the subsurface drainage when observed in the watershed scale. In that regard, researchers have identified woodchip based BMPs as important green infrastructures to overcome these challenges and keep pace with the rising ecological impacts of urbanization and agricultural practices.


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