The urbanisation process of recent decades has resulted in new urban structures that can be circumscribed by two standard concepts, namely the megacity and the metropolitan region. One common feature of these new structures is that cities/urban areas are becoming much larger in population as...

Background: The concept of Hyperconnected Megacity Parcel Logistics (HMPL) was introduced in 2018 and aims to enhance the efficiency, responsiveness, resilience, and sustainability of parcel movements in megacities. However, evaluating such fundamental solutions presents challenges and requires...

The pathways to achieving carbon neutrality at the city level are diverse due to varying energy supply and demand conditions. Shanghai faces obstacles such as limited land resources, high costs of renewable energy technologies, and instability of renewable energy. These challenges hinder the...

Regional economic power and local environmental policies have a substantial impact on pollution reduction in urban agglomerations (UAs); however, whether megacities in UAs exert spillover effects of pollution reduction on surrounding cities remains unknown. This study presents a causal analytic...

Satellite data reveal that China has significantly increased its vegetation cover since 2000, and vegetation will maintain the increasing trend in the foreseeable future for becoming carbon neutral. However, limited work has examined the environmental impacts of vegetation greening because...

To identify potential formation mechanisms of water-soluble organic carbon (WSOC) and quantify their contributions to WSOC in urban Guangzhou of south China, a comprehensive campaign was carried out in winter of 2019-2020 to synchronously measure WSOC, total carbon (TC), black carbon (BC),...

Following market liberalisation, the vehicle population in China has increased dramatically over the past few decades. This paper examines the causal impact of the opening of a heavily used high speed rail line connecting two megacities in China in 2015, Chengdu and Chongqing, on air pollution....

Household energy consumption has grown faster than industrial energy consumption for eight consecutive years, slowing the growth of household energy consumption has become imperative for achieving carbon neutrality. To address the limitations of research on the spatial characteristics of energy...

This anthology, Urban Planning and Design for Megacities in the Global South: Smart and Sustainable Development, sheds light on the intricate dynamics of megacity growth in the Global South. It has compiled a rich and diverse array of evidence-based case studies, fostering discussions on...

In response to technological advancements, the reduction in the costs of transportation and communication, and the deregulation of trade and investment, multinational corporations (MNC) have dispersed their operations around the world. Yet, a counterintuitive aspect of the process of...

During the last four decades, Asian developing economies have experienced remarkable economic growth, accompanied by unprecedented speed and scale of urbanization. This urbanization has resulted in excessive population concentration and agglomeration economies in large metropolitan cities -...

We revisit the determinants of house prices in Chinaís megacities. Previous work on similar topics fails to account for the widespread cross-sectional heterogeneity and interdependencies, despite the importance of them. Using a PVAR estimated by the Bayesian method allowing for these features,...

Traditional economic models predict rural to urban migration during the structural transformation of an economy. In middle-income countries, it is less clear which direction of migration to expect. In this article, the author shows that in Brazil as many people move out as into metropolitan...

The downsides of density, including traffic congestion, contagious disease and crime, were common in Victorian London and classical Rome, just as they are today in Sao Paulo and Lagos. Our urban past provides lessons for developing world cities today. The first lesson, that I highlight, is that...

By drawing from every corner of the world and every academic discipline that could implicate cities, City, State: Constitutionalism and the Megacity does a praiseworthy job of calling out the constitutional silence of cities and making a case for their enhanced constitutional standing. There is...

In many developing countries, the COVID-19 pandemic has spread much faster and wider than the number of detected cases implies. By combining data from 59,770 RT-PCR tests on mostly asymptomatic individuals with administrative data on all detected cases, we capture the spread and dynamics of the...

Can a liberal commons emerge in an authoritarian regime? Based on an in-depth investigation of the ongoing self-governance movement among hundreds of millions of homeowners in China, this research examines the tension between authoritarianism and liberal commons for the first time. Empirically...

Thomas Friedman has argued in The World is Flat that those who deny rapid globalization will not survive in the global economy. First, we critically discuss Friedman's views and highlight the new globalization driven by outsourcing and vertical specialization. Second, we argue that Friedman pays...

We study optimal dynamic lockdowns against Covid-19 within a commuting network. Our framework integrates canonical spatial epidemiology and trade models, and is applied to cities with varying initial viral spread: Seoul, Daegu and NYC-Metro. Spatial lockdowns achieve substantially smaller income...

We study optimal dynamic lockdowns against Covid-19 within a commuting network. Our framework integrates canonical spatial epidemiology and trade models, and is applied to cities with varying initial viral spread: Seoul, Daegu and NYC-Metro. Spatial lockdowns achieve substantially smaller income...

How does a relaxation of migration restrictions affect labor-market outcomes of incumbent migrants? In this paper, we answer this question by studying a significant internal migration policy change in China: the 2014 hukou reform. This reform substantially removed the migration barriers of...

Dhaka, the 8th largest megacities of the world, along with its dense and ever-increasing influx of urban population has experienced significant urban growth during the last fifty years. Land uses have undergone a massive unplanned development since the liberation war of Bangladesh in 1971. This...

Human beings should live in places where they are most productive, and megacities, where information, innovation and opportunities congregate, would be the optimal choice. Yet megacities in both China and the U.S. are excluding people by limiting housing supply. Why, despite their many...

Purpose: A common problem in mega cities is congestion, due to the size of the automotive park, this makes that the perishable foods decreasing their organoleptic characteristics or increases their losses, which requires considering the effect of time on routing problems. The state of the art...

Traditional economic models predict rural to urban migration during the structural transformation of an economy. In middle-income countries, it is less clear which direction of migration to expect. In this paper I show that in Brazil as many people move out of as into metropolitan cities, and...

"Beyond the Megacity connects and reconnects the global debate on the contemporary urban condition to the Latin American tradition of seeing, considering, and theorizing urbanization from the margins. It develops the approach of “peripheral urbanization” as a way to integrate the theoretical...

With a population of 16 million, Karachi is the largest megacity in Pakistan. Despite being a large city that is home to many, it has seen a substantial decline in quality of life and economic competitiveness in recent decades. Basic service delivery is very poor, with very low indicators for...

Similar to many other cities in sub-Saharan African countries, the struggle between urban development policies and the livelihoods of the urban poor is one of the urban development challenges facing Lagos. This paper examines the realities of the Lagos urban development policies and intiatives...

The trend toward ever greater urbanization continues unabated across the globe. According to the United Nations, by 2025 closes to 5 billion people will live in urban areas. Many cities, especially in the developing world, are set to explode in size. Over the next decade and a half, Lagos is...

The unprecedented population growth in Africa and its projections followed by a high rate of urbanization are resulting in a growing number of huge urban agglomerations – cities and megacities. That phenomenon creates opportunities for the continent, but it also raises concerns about low...